1. Department of Endocrinology, Yale University; New Haven; CT; USA
2. Jaeb Center for Health Research; Tampa; FL; USA
3. Department of Pediatrics, University of California San Francisco; San Francisco; CA; USA
4. Boston Children's Hospital; Boston; MA; USA
5. Department of Pediatrics Baylor College of Medicine; Houston; TX; USA
6. Department of Pediatrics University of Colorado Denver; Aurora; CO; USA
7. Department of Pediatric Endocrinology Stanford University Medical Center; Stanford; CA; USA
8. Children's Hospital of Philadelphia; Philadelphia; PA; USA
9. Central Ohio Pediatrics Endocrinology and Diabetes Services; Columbus; OH; USA