1. Institute of Biomedical and Clinical Science (S.E.F., A.-M.P., J.M.L., S.E.), Peninsula Medical School, University of Exeter, Exeter EX2 5DW, United Kingdom;
2. Sisli Etfal Educational and Research Hospital, Department of Pediatric Endocrinology (T.A.), Sisli, 34377 Istanbul, Turkey;
3. Osmangazi University School of Medicine, Department of Paediatrics, Division of Paediatric Endocrinology (E.S.), 26480 Eskisehir, Turkey;
4. Mofid Children's Hospital (M.A., Z.Y.) Shahid Beheshti University of Medical Sciences, Tehran, 15468-155514 Iran;
5. Sir Hurkisondas Nurrotumdas Hospital and Research Center (M.D.), Mumbai 400 004, India
6. London Centre for Paediatric Endocrinology and Metabolism, Great Ormond Street Hospital for Children, National Health Service Trust, and the Institute of Child Health (R.R.K., K.H.), University College London, London WC1E 6BT, United Kingdom;