1. Department of Family and Preventive Medicine Emory School of Medicine Atlanta Georgia USA
2. Birmingham/Atlanta Veterans Affairs (VA) Geriatric Research, Education, and Clinical Center (GRECC) Decatur Georgia USA
3. Department of Medicine Emory School of Medicine Atlanta Georgia USA
4. Department of Global Health Emory Rollins School of Public Health Atlanta Georgia USA
5. Department of Epidemiology Emory Rollins School of Public Health Atlanta Georgia USA