1. Northwestern University Feinberg School of Medicine, Chicago, Illinois
2. Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, Illinois
3. Duke University Medical Center, Durham, North Carolina
4. Kaiser Permanente of Southern California, Pasadena
5. currently with Division of Diabetes, Endocrinology, and Metabolic Diseases, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland