1. 1Department of Pediatrics, Amalia Children’s Hospital, Radboud University Medical Center, Nijmegen, the Netherlands
2. 2Department of Laboratory Medicine, Radboud Institute for Molecular Life Sciences (RIMLS), Radboud University Medical Center, Nijmegen, the Netherlands
3. 3Klinik für Pädiatrie m.S. Endokrinologie und Diabetologie, Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
4. 4Department of Endocrinology, Metabolism and Diabetes, Karolinska University Hospital, Stockholm, Sweden
5. 5Department of Molecular Medicine and Surgery, Karolinska Institute, Stockholm, Sweden
6. 6Institute of Metabolism and Systems Research (IMSR), University of Birmingham, Birmingham, UK
7. 7Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
8. 8Department of Women’s and Children’s Health, Division of Pediatric Endocrinology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
9. 9Department of Radiation Oncology, Radiotherapy & OncoImmunology laboratory, RIMLS, Radboud University Medical Center, Nijmegen, the Netherlands
10. 10Centre of Reproductive Medicine and Andrology, Clinical Andrology, University Hospital Münster, Münster, Germany
11. 11Endocrinologie Pédiatrique, Centre de Référence des Maladies Rares du Développement Sexuel, Hôpital Bicêtre, Université Paris-Sud, Le Kremlin-Bicêtre, France
12. 12Department of Pediatric Urology, Radboud University Medical Center, Nijmegen, the Netherlands
13. 13Department for Health Evidence, Radboud University Medical Center, Nijmegen, the Netherlands
14. 14Medizinische Klinik IV, Klinikum der Universität München, München, Germany
15. 15Department of Internal Medicine, Radboud University Medical Center, Nijmegen, the Netherlands