1. Dutch Growth Research Foundation (R.F.A.d.L.v.W., A.C.S.H.-K.), 3016 AH Rotterdam, The Netherlands
2. Department of Pediatrics, Subdivision of Endocrinology (R.F.A.d.L.v.W., R.W.J.L., A.C.S.H.-K.), Erasmus University Medical Center Rotterdam/Sophia Children’s Hospital, 3015 GJ Rotterdam, The Netherlands
3. Centre de Recherche, Hôpital Laval (K.C., Y.G.), Université Laval, Québec, Canada G1V 0A6