1. Division of Infectious Diseases, Department of Medicine, Duke Center for Antimicrobial Stewardship and Infection Prevention, Duke University School of Medicine
2. Duke Center for the Study of Aging and Human Development , Durham, North Carolina
3. Department of Medicine, WellStar Health System , Atlanta, Georgia
4. Department of Medicine, Duke University School of Medicine , Durham, North Carolina
5. Department of Medicine, Sovah Medical Center , Danville, Virginia
6. Division of Geriatrics, Department of Medicine, Duke and Durham Veterans Affairs Medical Center , Durham, North Carolina