Affiliation: | 1. Duke Clinical Research Institute, Durham, NC;2. PERFUSE Study Group, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA;3. US Food and Drug Administration, Silver Spring, MD;4. National Institutes of Health, Bethesda, MD;5. Bristol-Myers Squibb, New York, NY;6. Department of Medicine, Stanford University, Stanford, CA;g Duke University School of Medicine, Durham, NC;h University of Alberta, Edmonton, Alberta, Canada |