1. Department of Endocrinology, University Hospital Gasthuisberg, KU Leuven, Herestraat 49, 3000 Leuven, Belgium
2. Department of Pediatrics, Antwerp University Hospital, Drie Eikenstraat 655, 2650 Edegem, Belgium
3. Department of Endocrinology, Imelda Ziekenhuis, Imeldalaan 9, 2820 Bonheiden, Belgium
4. Department of Endocrinology-Diabetology-Metabolism, Antwerp University Hospital, Drie Eikenstraat 655, 2650 Edegem, Belgium
5. Department of Endocrinology, OLV-Ziekenhuis Aalst-Asse-Ninove, Moorselbaan 164, 9300 Aalst, Belgium
6. Center of Biostatics and Statistical Bioinformatics, KU Leuven, Kapucijnenvoer 35 bloc d-box 7001, 3000 Leuven, Belgium
7. Department of Development & Regeneration, REALIFE Research Group KU Leuven, Herestraat 49, 3000 Leuven, Belgium