Affiliation: | 1. Department of Biology, Duke University, Durham, North Carolina, USA;2. Duke University School of Nursing, Durham, North Carolina, USA;3. Department of Psychology, Duke University, Durham, North Carolina, USA;4. Duke Global Health Institute, Durham, North Carolina, USA Department of Family Medicine and Community Health, Duke University School of Medicine, Durham, North Carolina, USA;5. Department of Medicine, Division of Geriatrics, Duke University School of Medicine, Durham, North Carolina, USA Durham Veterans Administration, Durham, North Carolina, USA Geriatrics Research Education and Clinical Center, Durham, North Carolina, USA;6. Duke Global Health Institute, Durham, North Carolina, USA |