1. Duke University School of Medicine, Duke University, Durham, North Carolina, USA.
2. Duke Department of Pharmacy, Duke University, Durham, North Carolina, USA.
3. Duke Global Health Institute, Duke University, Durham, North Carolina, USA.
4. Duke Department of Family Medicine and Community Health, Duke University, Durham, North Carolina, USA.
5. Duke Department of Medicine, Division of Endocrinology Metabolism and Nutrition, Duke University, Durham, North Carolina, USA.