1. Division of Cardiology, Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina
2. Division of Cardiology, UCLA (University of California, Los Angeles)
3. Division of Cardiology, University of Texas Southwestern, Dallas
4. Department of Biostatistics, University of Washington, Seattle
5. Department of Biostatistics and Bioinformatics, Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina
6. Division of Cardiology, Feinberg School of Medicine, Northwestern Memorial Hospital, Chicago, Illinois
7. Division of Cardiology, University of Washington, Seattle
8. Department of Clinical Pharmacology, Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina