1. Dutch Growth Research Foundation (R.F.A.d.L.v.W., D.A.M.F., A.C.S.H.-K.), 3016 AH Rotterdam, The Netherlands
2. Departments of Pediatric Endocrinology (R.F.A.d.L.v.W., D.A.M.F., A.C.S.H.-K.), Erasmus University Medical Center/Sophia Children’s Hospital, 3015 GJ Rotterdam, The Netherlands
3. Pediatric Orthopedic Surgery (L.W.L.d.K.), Erasmus University Medical Center/Sophia Children’s Hospital, 3015 GJ Rotterdam, The Netherlands
4. The Netherlands Institute for Health Sciences (H.J.D.), Erasmus University Rotterdam, 3015 GE Rotterdam, The Netherlands
5. Department of Pediatric Endocrinology (B.J.O.), University Medical Center St. Radboud, 6525 GA Nijmegen, The Netherlands