Title: Relationship between clinical site and core lab assessments of perfusion and function on stress gated myocardial perfusion SPECT Sean W. Hayes, Leslee J. Shaw, Robert A. O'Rourke, William S. Weintraub, Koon K. Teo, Pamela Hartigan, William E. Boden, James Gerlach, Tara A. Gurtler, Kathryn Hanson, Guido Germano, Daniel S. Berman, COURAGE Investigators. Cedars-Sinai Medical Center, Los Angeles, CA