1. Department of Internal Medicine; Wake Forest School of Medicine; Winston-Salem North Carolina
2. Department of Cardiovascular Sciences, Brody School of Medicine; East Carolina University; Greenville North Carolina
3. Department of Biostatistics, Department of Epidemiology and Biostatistics, Dornsife School of Public Health; Drexel University; Philadelphia Pennsylvania
4. School of Public Health; University of Alabama at Birmingham; Birmingham Alabama
5. Department of Epidemiology, School of Public Health; University of Alabama at Birmingham; Birmingham Alabama
6. Department of Internal Medicine, Cardiology Section; Wake Forest School of Medicine; Winston-Salem North Carolina
7. Epidemiological Cardiology Research Center (EPICARE), Department of Epidemiology and Prevention; Wake Forest School of Medicine; Winston-Salem North Carolina