1. Division of Endocrinology and Diabetes, Department of Pediatrics, The Children’s Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia
2. Division of Human Genetics, Department of Pediatrics, The Children’s Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia
3. Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, The Children’s Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia
4. Division of Endocrinology, Department of Pediatrics, Cook Children’s Medical Center, Fort Worth, Texas
5. Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio
6. College of Nursing, Creighton University, Omaha, Nebraska7Osteoporosis Research Center, School of Medicine, Creighton University, Omaha, Nebraska
7. Department of Radiology, Children’s Hospital Los Angeles, Keck School of Medicine of USC, University of Southern California, Los Angeles9Department of Pediatrics, Children’s Hospital Los Angeles, Keck School of Medicine of USC, University of Southern California, Los Angeles
8. Division of Pediatric Endocrinology, Diabetes and Metabolism, Department of Pediatrics, Columbia University, New York, New York
9. Department of Radiology and Biomedical Imaging, University of California, San Francisco
10. Pediatric Growth and Nutrition Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health, Bethesda, Maryland
11. Division of Endocrinology and Diabetes, Department of Pediatrics, The Children’s Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia2Division of Human Genetics, Department of Pediatrics, The Children’s Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia