1. Department of Internal Medicine (Endocrinology & Metabolism) and Department of Pediatrics (Pediatric Endocrinology) Yale University School of Medicine New Haven Connecticut USA
2. Department of Integrative Biology and Physiology University of Minnesota Minneapolis Minnesota USA
3. Geriatric Research, Education and Clinical Center Minneapolis VA Health Care System Minneapolis Minnesota USA
4. Johns Hopkins Bloomberg School of Public Health Johns Hopkins University Baltimore Maryland USA
5. George Washington University School of Medicine and Health Sciences The George Washington University Washington DC USA
6. Department of Pediatrics, Center for Pediatric Obesity Medicine University of Minnesota Medical School Minneapolis Minnesota USA
7. Pennington Biomedical Research Center Louisiana State University Baton Rouge Louisiana USA