Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2794697527', 'doi': 'https://doi.org/10.3390/ijerph15040633', 'title': 'The Relationship between Sleep Time and Mental Health Problems According to the Strengths and Difficulties Questionnaire in Children after an Earthquake Disaster: The Fukushima Health Management Survey', 'display_name': 'The Relationship between Sleep Time and Mental Health Problems According to the Strengths and Difficulties Questionnaire in Children after an Earthquake Disaster: The Fukushima Health Management Survey', 'publication_year': 2018, 'publication_date': '2018-03-30', 'ids': {'openalex': 'https://openalex.org/W2794697527', 'doi': 'https://doi.org/10.3390/ijerph15040633', 'mag': '2794697527', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/29601489', 'pmcid': 'https://www.ncbi.nlm.nih.gov/pmc/articles/5923675'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.3390/ijerph15040633', 'pdf_url': 'https://www.mdpi.com/1660-4601/15/4/633/pdf?version=1525345902', 'source': {'id': 'https://openalex.org/S15239247', 'display_name': 'International Journal of Environmental Research and Public Health', 'issn_l': '1660-4601', 'issn': ['1660-4601', '1661-7827'], 'is_oa': True, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310310987', 'host_organization_name': 'Multidisciplinary Digital Publishing Institute', 'host_organization_lineage': ['https://openalex.org/P4310310987'], 'host_organization_lineage_names': ['Multidisciplinary Digital Publishing Institute'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'doaj', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'gold', 'oa_url': 'https://www.mdpi.com/1660-4601/15/4/633/pdf?version=1525345902', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5006235376', 'display_name': 'Shuntaro Itagaki', 'orcid': 'https://orcid.org/0000-0001-5837-2825'}, 'institutions': [{'id': 'https://openalex.org/I130830085', 'display_name': 'Fukushima Medical University', 'ror': 'https://ror.org/012eh0r35', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I130830085']}], 'countries': ['JP'], 'is_corresponding': True, 'raw_author_name': 'Shuntaro Itagaki', 'raw_affiliation_strings': ['Department of Neuropsychiatry, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan'], 'affiliations': [{'raw_affiliation_string': 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}, {'raw_affiliation_string': 'Department of Neuropsychiatry, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5081654329', 'display_name': 'Tetsuya Ohira', 'orcid': 'https://orcid.org/0000-0003-4532-7165'}, 'institutions': [{'id': 'https://openalex.org/I130830085', 'display_name': 'Fukushima Medical University', 'ror': 'https://ror.org/012eh0r35', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I130830085']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Tetsuya Ohira', 'raw_affiliation_strings': ['Department of Epidemiology, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan'], 'affiliations': [{'raw_affiliation_string': 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}, {'raw_affiliation_string': 'Department of Epidemiology, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5053895539', 'display_name': 'Masato Nagai', 'orcid': 'https://orcid.org/0000-0003-0818-3158'}, 'institutions': [{'id': 'https://openalex.org/I130830085', 'display_name': 'Fukushima Medical University', 'ror': 'https://ror.org/012eh0r35', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I130830085']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Masato Nagai', 'raw_affiliation_strings': ['Department of Epidemiology, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan'], 'affiliations': [{'raw_affiliation_string': 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}, {'raw_affiliation_string': 'Department of Epidemiology, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5061275408', 'display_name': 'Seiji Yasumura', 'orcid': 'https://orcid.org/0000-0002-4715-2840'}, 'institutions': [{'id': 'https://openalex.org/I130830085', 'display_name': 'Fukushima Medical University', 'ror': 'https://ror.org/012eh0r35', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I130830085']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Seiji Yasumura', 'raw_affiliation_strings': ['Department of Public Health, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan'], 'affiliations': [{'raw_affiliation_string': 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}, {'raw_affiliation_string': 'Department of Public Health, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5023195671', 'display_name': 'Masaharu Maeda', 'orcid': 'https://orcid.org/0000-0002-0562-5160'}, 'institutions': [{'id': 'https://openalex.org/I130830085', 'display_name': 'Fukushima Medical University', 'ror': 'https://ror.org/012eh0r35', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I130830085']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Masaharu Maeda', 'raw_affiliation_strings': ['Department of Disaster Psychiatry, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan'], 'affiliations': [{'raw_affiliation_string': 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}, {'raw_affiliation_string': 'Department of Disaster Psychiatry, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5055285663', 'display_name': 'Yuriko Suzuki', 'orcid': 'https://orcid.org/0000-0002-3551-6512'}, 'institutions': [{'id': 'https://openalex.org/I130830085', 'display_name': 'Fukushima Medical University', 'ror': 'https://ror.org/012eh0r35', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I130830085']}, {'id': 'https://openalex.org/I4210160792', 'display_name': 'National Institute of Mental Health', 'ror': 'https://ror.org/04t0s7x83', 'country_code': 'JP', 'type': 'government', 'lineage': ['https://openalex.org/I4210103779', 'https://openalex.org/I4210160792']}, {'id': 'https://openalex.org/I4210103779', 'display_name': 'National Center of Neurology and Psychiatry', 'ror': 'https://ror.org/0254bmq54', 'country_code': 'JP', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210103779']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Yuriko Suzuki', 'raw_affiliation_strings': ['Department of Adult Mental Health, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo 187-0031, Japan', 'Department of Public Health, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan'], 'affiliations': [{'raw_affiliation_string': 'Department of Public Health, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}, {'raw_affiliation_string': 'Department of Adult Mental Health, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo 187-0031, Japan', 'institution_ids': ['https://openalex.org/I4210160792', 'https://openalex.org/I4210103779']}, {'raw_affiliation_string': 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5028390409', 'display_name': 'Hirobumi Mashiko', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I130830085', 'display_name': 'Fukushima Medical University', 'ror': 'https://ror.org/012eh0r35', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I130830085']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Hirobumi Mashiko', 'raw_affiliation_strings': ['Department of Neuropsychiatry, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan'], 'affiliations': [{'raw_affiliation_string': 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}, {'raw_affiliation_string': 'Department of Neuropsychiatry, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5048309404', 'display_name': 'Tetsuya Shiga', 'orcid': 'https://orcid.org/0000-0001-9287-8272'}, 'institutions': [{'id': 'https://openalex.org/I130830085', 'display_name': 'Fukushima Medical University', 'ror': 'https://ror.org/012eh0r35', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I130830085']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Tetsuya Shiga', 'raw_affiliation_strings': ['Department of Neuropsychiatry, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan'], 'affiliations': [{'raw_affiliation_string': 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}, {'raw_affiliation_string': 'Department of Neuropsychiatry, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5038680001', 'display_name': 'Itaru Miura', 'orcid': 'https://orcid.org/0000-0002-2133-5809'}, 'institutions': [{'id': 'https://openalex.org/I130830085', 'display_name': 'Fukushima Medical University', 'ror': 'https://ror.org/012eh0r35', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I130830085']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Itaru Miura', 'raw_affiliation_strings': ['Department of Neuropsychiatry, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan'], 'affiliations': [{'raw_affiliation_string': 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}, {'raw_affiliation_string': 'Department of Neuropsychiatry, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5067386145', 'display_name': 'Hirooki Yabe', 'orcid': 'https://orcid.org/0000-0003-2668-129X'}, 'institutions': [{'id': 'https://openalex.org/I130830085', 'display_name': 'Fukushima Medical University', 'ror': 'https://ror.org/012eh0r35', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I130830085']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Hirooki Yabe', 'raw_affiliation_strings': ['Department of Neuropsychiatry, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan'], 'affiliations': [{'raw_affiliation_string': 'Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}, {'raw_affiliation_string': 'Department of Neuropsychiatry, School of Medicine, Fukushima Medical University, Hikarigaoka-1, Fukushima 960-1295, Japan', 'institution_ids': ['https://openalex.org/I130830085']}]}], 'countries_distinct_count': 1, 'institutions_distinct_count': 3, 'corresponding_author_ids': ['https://openalex.org/A5006235376'], 'corresponding_institution_ids': ['https://openalex.org/I130830085'], 'apc_list': {'value': 2500, 'currency': 'CHF', 'value_usd': 2707, 'provenance': 'doaj'}, 'apc_paid': {'value': 2500, 'currency': 'CHF', 'value_usd': 2707, 'provenance': 'doaj'}, 'fwci': 4.563, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 14, 'citation_normalized_percentile': {'value': 0.913017, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 88, 'max': 89}, 'biblio': {'volume': '15', 'issue': '4', 'first_page': '633', 'last_page': '633'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11464', 'display_name': 'Impact of Homelessness on Health and Well-being', 'score': 0.9669, 'subfield': {'id': 'https://openalex.org/subfields/3600', 'display_name': 'General Health Professions'}, 'field': {'id': 'https://openalex.org/fields/36', 'display_name': 'Health Professions'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, 'topics': [{'id': 'https://openalex.org/T11464', 'display_name': 'Impact of Homelessness on Health and Well-being', 'score': 0.9669, 'subfield': {'id': 'https://openalex.org/subfields/3600', 'display_name': 'General Health Professions'}, 'field': {'id': 'https://openalex.org/fields/36', 'display_name': 'Health Professions'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T10316', 'display_name': 'Sleep and Insomnia', 'score': 0.956, 'subfield': {'id': 'https://openalex.org/subfields/3205', 'display_name': 'Experimental and Cognitive Psychology'}, 'field': {'id': 'https://openalex.org/fields/32', 'display_name': 'Psychology'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/sleep', 'display_name': 'Sleep (system call)', 'score': 0.51991266}, {'id': 'https://openalex.org/keywords/sleep-duration', 'display_name': 'Sleep Duration', 'score': 0.514875}, {'id': 'https://openalex.org/keywords/sleep-quality', 'display_name': 'Sleep Quality', 'score': 0.507335}, {'id': 'https://openalex.org/keywords/questionnaire', 'display_name': 'Questionnaire', 'score': 0.44949788}, {'id': 'https://openalex.org/keywords/cross-sectional-study', 'display_name': 'Cross-sectional study', 'score': 0.42915833}], 'concepts': [{'id': 'https://openalex.org/C2776793905', 'wikidata': 'https://www.wikidata.org/wiki/Q7623268', 'display_name': 'Strengths and Difficulties Questionnaire', 'level': 3, 'score': 0.82905686}, {'id': 'https://openalex.org/C134362201', 'wikidata': 'https://www.wikidata.org/wiki/Q317309', 'display_name': 'Mental health', 'level': 2, 'score': 0.75959635}, {'id': 'https://openalex.org/C2775841894', 'wikidata': 'https://www.wikidata.org/wiki/Q4683692', 'display_name': 'Sleep (system call)', 'level': 2, 'score': 0.51991266}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.4995377}, {'id': 'https://openalex.org/C187155963', 'wikidata': 'https://www.wikidata.org/wiki/Q629029', 'display_name': 'Occupational safety and health', 'level': 2, 'score': 0.4633762}, {'id': 'https://openalex.org/C59364581', 'wikidata': 'https://www.wikidata.org/wiki/Q747810', 'display_name': 'Questionnaire', 'level': 2, 'score': 0.44949788}, {'id': 'https://openalex.org/C142052008', 'wikidata': 'https://www.wikidata.org/wiki/Q954027', 'display_name': 'Cross-sectional study', 'level': 2, 'score': 0.42915833}, {'id': 'https://openalex.org/C149923435', 'wikidata': 'https://www.wikidata.org/wiki/Q37732', 'display_name': 'Demography', 'level': 1, 'score': 0.37771192}, {'id': 'https://openalex.org/C118552586', 'wikidata': 'https://www.wikidata.org/wiki/Q7867', 'display_name': 'Psychiatry', 'level': 1, 'score': 0.37298262}, {'id': 'https://openalex.org/C15744967', 'wikidata': 'https://www.wikidata.org/wiki/Q9418', 'display_name': 'Psychology', 'level': 0, 'score': 0.3470477}, {'id': 'https://openalex.org/C74909509', 'wikidata': 'https://www.wikidata.org/wiki/Q10387', 'display_name': 'Gerontology', 'level': 1, 'score': 0.33708867}, {'id': 'https://openalex.org/C36289849', 'wikidata': 'https://www.wikidata.org/wiki/Q34749', 'display_name': 'Social science', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C142724271', 'wikidata': 'https://www.wikidata.org/wiki/Q7208', 'display_name': 'Pathology', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C144024400', 'wikidata': 'https://www.wikidata.org/wiki/Q21201', 'display_name': 'Sociology', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C111919701', 'wikidata': 'https://www.wikidata.org/wiki/Q9135', 'display_name': 'Operating system', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D004190', 'descriptor_name': 'Disasters', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D020920', 'descriptor_name': 'Dyssomnias', 'qualifier_ui': 'Q000523', 'qualifier_name': 'psychology', 'is_major_topic': True}, {'descriptor_ui': 'D055866', 'descriptor_name': 'Earthquakes', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D001523', 'descriptor_name': 'Mental Disorders', 'qualifier_ui': 'Q000209', 'qualifier_name': 'etiology', 'is_major_topic': True}, {'descriptor_ui': 'D012890', 'descriptor_name': 'Sleep', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D000293', 'descriptor_name': 'Adolescent', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002648', 'descriptor_name': 'Child', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002675', 'descriptor_name': 'Child, Preschool', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003430', 'descriptor_name': 'Cross-Sectional Studies', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D020920', 'descriptor_name': 'Dyssomnias', 'qualifier_ui': 'Q000175', 'qualifier_name': 'diagnosis', 'is_major_topic': False}, {'descriptor_ui': 'D020920', 'descriptor_name': 'Dyssomnias', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005260', 'descriptor_name': 'Female', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D062406', 'descriptor_name': 'Fukushima Nuclear Accident', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006306', 'descriptor_name': 'Health Surveys', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007564', 'descriptor_name': 'Japan', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008297', 'descriptor_name': 'Male', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001523', 'descriptor_name': 'Mental Disorders', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001523', 'descriptor_name': 'Mental Disorders', 'qualifier_ui': 'Q000175', 'qualifier_name': 'diagnosis', 'is_major_topic': False}, {'descriptor_ui': 'D011569', 'descriptor_name': 'Psychiatric Status Rating Scales', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012307', 'descriptor_name': 'Risk Factors', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013997', 'descriptor_name': 'Time Factors', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 5, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.3390/ijerph15040633', 'pdf_url': 'https://www.mdpi.com/1660-4601/15/4/633/pdf?version=1525345902', 'source': {'id': 'https://openalex.org/S15239247', 'display_name': 'International Journal of Environmental Research and Public Health', 'issn_l': '1660-4601', 'issn': ['1660-4601', '1661-7827'], 'is_oa': True, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310310987', 'host_organization_name': 'Multidisciplinary Digital Publishing Institute', 'host_organization_lineage': ['https://openalex.org/P4310310987'], 'host_organization_lineage_names': ['Multidisciplinary Digital Publishing Institute'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://doaj.org/article/ebd00826763d48089a02be348a807539', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306401280', 'display_name': 'DOAJ (DOAJ: Directory of Open Access Journals)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://europepmc.org/articles/pmc5923675', 'pdf_url': 'https://europepmc.org/articles/pmc5923675?pdf=render', 'source': {'id': 'https://openalex.org/S4306400806', 'display_name': 'Europe PMC (PubMed Central)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1303153112', 'host_organization_name': 'European Bioinformatics Institute', 'host_organization_lineage': ['https://openalex.org/I1303153112'], 'host_organization_lineage_names': ['European Bioinformatics Institute'], 'type': 'repository'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5923675', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2764455111', 'display_name': 'PubMed Central', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/29601489', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.3390/ijerph15040633', 'pdf_url': 'https://www.mdpi.com/1660-4601/15/4/633/pdf?version=1525345902', 'source': {'id': 'https://openalex.org/S15239247', 'display_name': 'International Journal of Environmental Research and Public Health', 'issn_l': '1660-4601', 'issn': ['1660-4601', '1661-7827'], 'is_oa': True, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310310987', 'host_organization_name': 'Multidisciplinary Digital Publishing Institute', 'host_organization_lineage': ['https://openalex.org/P4310310987'], 'host_organization_lineage_names': ['Multidisciplinary Digital Publishing Institute'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 24, 'referenced_works': ['https://openalex.org/W1765940783', 'https://openalex.org/W1944628696', 'https://openalex.org/W1969936588', 'https://openalex.org/W1983566206', 'https://openalex.org/W1989185064', 'https://openalex.org/W1995471521', 'https://openalex.org/W2025802167', 'https://openalex.org/W2037357297', 'https://openalex.org/W2038544964', 'https://openalex.org/W2060134026', 'https://openalex.org/W2063004190', 'https://openalex.org/W2069310115', 'https://openalex.org/W2096133283', 'https://openalex.org/W2101794395', 'https://openalex.org/W2132215036', 'https://openalex.org/W2137068480', 'https://openalex.org/W2143257031', 'https://openalex.org/W2147933066', 'https://openalex.org/W2158554654', 'https://openalex.org/W2276389133', 'https://openalex.org/W2528774020', 'https://openalex.org/W2553471918', 'https://openalex.org/W2560345035', 'https://openalex.org/W2775514384'], 'related_works': ['https://openalex.org/W4383908926', 'https://openalex.org/W4283827552', 'https://openalex.org/W2942727400', 'https://openalex.org/W2372685920', 'https://openalex.org/W2143113215', 'https://openalex.org/W2131518256', 'https://openalex.org/W2113171214', 'https://openalex.org/W2089082336', 'https://openalex.org/W2049902354', 'https://openalex.org/W2010537508'], 'abstract_inverted_index': {'A': [0, 77], 'cross-sectional': [1], 'study': [2], 'was': [3, 189, 205], 'performed': [4], 'on': [5, 12, 121], 'the': [6, 13, 19, 42, 58, 71, 95, 101, 141, 157, 172, 201], 'adverse': [7], 'effects': [8], 'of': [9, 16, 47, 79, 136, 149, 164, 179, 195, 211], 'sleep': [10, 65, 122, 147, 165, 180, 187], 'time': [11, 66, 123, 148, 166, 181, 188], 'mental': [14, 137, 196, 212], 'health': [15, 138, 197, 213], 'children': [17, 36, 102], 'after': [18], 'Great': [20], 'East': [21], 'Japan': [22], 'Earthquake': [23], 'and': [24, 60, 64], 'subsequent': [25], 'nuclear': [26], 'reactor': [27], 'accident': [28], 'in': [29, 198, 214], 'March': [30, 49], '2011.': [31], 'The': [32, 54], 'target': [33], 'participants': [34], 'were': [35, 68, 83], 'aged': [37], '4-15': [38], 'years': [39], 'living': [40], 'inside': [41], 'government-designated': [43], 'evacuation': [44], 'zone': [45], 'as': [46], '11': [48], '2011': [50, 72], '(n': [51], '=': [52], '29,585).': [53], "participants'": [55], 'parents/guardians': [56], 'completed': [57], 'Strengths': [59], 'Difficulties': [61], 'Questionnaire': [62], '(SDQ)': [63], 'data': [67], 'obtained': [69], 'from': [70], 'Fukushima': [73], 'Health': [74], 'Management': [75], 'Survey.': [76], 'total': [78], '18,745': [80], 'valid': [81], 'responses': [82, 93], 'returned.': [84], 'We': [85, 126], 'excluded': [86], 'questionnaires': [87], 'with': [88, 145, 161, 176, 191, 207], 'incomplete': [89], 'answers': [90], 'leaving': [91], '13,272': [92], 'for': [94, 107], 'final': [96], 'analysis.': [97, 108], 'First,': [98], 'we': [99, 110], 'divided': [100, 111], 'into': [103, 115], 'three': [104], 'age': [105, 113], 'groups': [106, 119], 'Second,': [109], 'each': [112], 'group': [114], 'four': [116], 'or': [117], 'five': [118], 'based': [120], 'per': [124], 'day.': [125], 'used': [127], 'SDQ': [128], 'scores': [129], '≥16': [130], 'to': [131], 'indicate': [132], 'a': [133, 146, 153, 168, 183, 192, 208], 'high': [134, 209], 'risk': [135, 194, 210], 'problems.': [139], 'In': [140, 156, 171], '4-6-year-old': [142], 'group,': [143, 159, 174], 'those': [144, 160, 175], '<9': [150], 'h': [151, 163, 178], 'had': [152, 167, 182], 'higher': [154, 169, 184, 193], 'risk.': [155, 170, 185], '7-12-year-old': [158], '≥10': [162], '13-15-year-old': [173], '≥9': [177], 'Shorter': [186], 'associated': [190, 206], '4-6-year-olds.': [199], 'On': [200], 'other': [202], 'hand,': [203], 'oversleeping': [204], '7-15-year-olds.': [215]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2794697527', 'counts_by_year': [{'year': 2024, 'cited_by_count': 2}, {'year': 2022, 'cited_by_count': 3}, {'year': 2020, 'cited_by_count': 5}, {'year': 2019, 'cited_by_count': 3}, {'year': 2018, 'cited_by_count': 1}], 'updated_date': '2024-08-21T20:10:10.299937', 'created_date': '2018-04-06'}