1. Department of Biomedical Informatics Emory University Atlanta Georgia USA
2. School of Electrical and Computer Engineering Georgia Institute of Technology Atlanta Georgia USA
3. Department of Epidemiology Rollins School of Public Health, Emory University Atlanta Georgia USA
4. Veterans Affairs Health Care System Washington District of Columbia USA
5. Department of Medicine, Division of Cardiology Emory University School of Medicine Atlanta Georgia USA
6. Department of Psychiatry Emory University School of Medicine Atlanta Georgia USA
7. Department of Biomedical Engineering Georgia Institute of Technology and Emory University Atlanta Georgia USA