1. Division of Endocrinology, University of Iowa Stead Family Children’s Hospital, Iowa City, Iowa
2. Department of Pediatrics, University of Iowa, Iowa City, Iowa
3. Division of Endocrinology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
4. Department of Pediatrics, University of Cincinnati, Cincinnati, Ohio
5. Division of Endocrinology, Le Bonheur Children’s Hospital, Memphis, Tennessee
6. Department of Pediatrics, University of Tennessee Health Science Center, Memphis, Tennessee
7. Division of Endocrinology, Children’s Mercy Hospital, Kansas City, Missouri
8. Department of Pediatrics, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri