1. Division of Cardiology; Atlanta VA Medical Center; Decatur Georgia
2. Division of Clinical Epidemiology, Biostatistics and Bioinformatics, Academic Medical Center, University of Amsterdam; Amsterdam Netherlands
3. Division of Reproductive Endocrinology and Infertility; Duke University Medical Center; Durham North Carolina
4. Division of Internal Medicine; Mercer University School of Medicine; Macon Georgia
5. Division of Cardiology; University of Texas McGovern Medical School; Houston Texas
6. Division of Cardiology, Mayo Clinic; Rochester Minnesota
7. Division of Cardiology; Emory University School of Medicine; Atlanta Georgia
8. Division of Cardiology; Morehouse School of Medicine; Atlanta Georgia