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Maria Hospital, Terni; Civic Hospital, Casalpusterlengo; University of Cagliari, Cagliari; University of Florence, Florence; Pierantoni Hospital, Forlì, Italy'], 'affiliations': [{'raw_affiliation_string': 'From the National Cancer Research Institute; University of Genoa, Genoa; S. Orsola-Malpighi Hospital, Bologna; Institute of Oncology, University of Messina, Messina; San Donato Hospital, Arezzo; S. Anna Hospital; University of Turin; University and Mauriziano Hospital, Turin; Institute of Oncology S. Luigi-S. Currò, Catania; S. 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