1. Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, USA
2. Department of Medicine, Emory Clinical Cardiovascular Research Institute, Division of Cardiology, Emory University School of Medicine, Atlanta, GA, USA
3. Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, USA
4. Department of Biostatistics and Bioinformatics, Rollins School of Public Health, Emory University, Atlanta, GA, USA
5. Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, GA, USA
6. Atlanta VA Medical Center, Decatur, GA, USA
7. Mazankowski Alberta Heart Institute, University of Alberta, Alberta, Canada
8. Department of Hematology and Oncology, Winship Cancer Institute, Atlanta, GA, USA