1. Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colorado
2. Biostatistics Center, George Washington University, Washington, DC
3. The Saban Research Center, Children’s Hospital Los Angeles, Keck School of Medicine of University of Southern California, Los Angeles, California
4. Division of Pediatric Endocrinology, Department of Pediatrics, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
5. Department of Pediatric Endocrinology, Yale School of Medicine, New Haven, Connecticut
6. Division of Pediatric Endocrinology, Baylor College of Medicine, Texas Children's Hospital, Houston, Texas
7. Division of Endocrinology and Diabetes, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
8. Department of Pediatrics, Washington University, St. Louis, Missouri
9. University of Pittsburgh, Children’s Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania