1. Section on Growth and Obesity, Program in Developmental Endocrinology and Genetics; Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH); Bethesda MD USA
2. NIH Division of Nutrition Research Coordination; National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), NIH; Bethesda MD USA
3. Division of Nuclear Medicine; Radiology and Imaging Sciences Department, Hatfield Clinical Center, NIH; Bethesda MD USA