1. Section of Preventive Medicine and Epidemiology, Department of Medicine, Boston University School of Medicine , 72 E Concord Street, Boston, 02118 MA , USA
2. Department of Cardiology, Nordsjællands Hospital , Dyrehavevej 29, 3400 Hillerød , Denmark
3. Boston University’s and National Heart, Lung, and Blood Institute’s Framingham Heart Study , 73 Mt Wayte Avenue, Framingham, 01702 MA , USA
4. Department of Biostatistics, Boston University School of Public Health , 801 Massachusetts Avenue, Boston, 02118 MA , USA
5. University of Texas School of Public Health San Antonio , 8403 Floyd Curl Drive, San Antonio, 78229 TX , USA
6. Departments of Medicine and Population Health Sciences, University of Texas Health Science Center , 7703 Floyd Curl Drive, San Antonio, 78229 TX , USA
7. Center for Advanced Heart Disease, Brigham and Women’s Hospital, Harvard Medical School , 75 Francis Street, Boston, 02115 MA , USA