1. Sarah W. Stedman Nutrition and Metabolism Center, Departments of Medicine, and Pharmacology & Cancer Biology, Duke University Medical Center, Durham, North Carolina.
2. Department of Pediatrics, Duke University Medical Center, Durham, North Carolina.
3. Division of Cardiology, Duke Center for Living, Duke University Medical Center, Durham, North Carolina.
4. Weight Loss Surgery Center, Duke University Medical Center, Durham, North Caroina.
5. Department of Biostatistics and Bioinformatics and Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina.