1. Division of Adolescent and Young Adult Medicine; Boston Children's Hospital; Boston MA USA
2. Division of Pediatric and Adolescent Gynecology; Boston Children's Hospital; Boston MA USA
3. Clinical Research Program; Boston Children's Hospital; Boston MA USA
4. Division of Endocrinology; Boston Children's Hospital; Boston MA USA
5. Beck Radiological Innovations; Inc.; Baltimore MD USA
6. Division of Endocrinology; Brigham and Women's Hospital; Boston MA USA
7. Divison of Adolescent Medicine; Hasbro Children's Hospital; Providence RI USA
8. Divison of Endocrinology; Hasbro Children's Hospital; Providence RI USA