1. Department of Womens’ and Childrens’ Health; Karolinska Institutet; Stockholm Sweden
2. Department of Pediatric Endocrinology; Karolinska University Hospital; Stockholm Sweden
3. Charité Universitätsmedizin Koordinierungszentrum Klinische Studien (KKS); Berlin Germany
4. Klinik für Kinder- und Jugendmedizin; Universität zu Lübeck; Lübeck Germany
5. Department of Pediatric Endocrinology; Hôpital Bicêtre; Assistance Publique-Hôpitaux de Paris; Le Kremlin Bicêtre France
6. Department of Andrology and Reproductive Endocrinology; Medical University of Lodz; Lodz Poland
7. Medizinische Klinik and Poliklinik IV; Department of Endocrinology; University Hospital Munich; Munich Germany
8. Department of Pediatric Endocrine Disease; Radboud University Nijmegen Medical Centre; Nijmegen The Netherlands
9. Hospices Civils de Lyon; Fédération d'Endocrinologie; Groupement Hospitalier Est; Bron France
10. Medical Center Amsterdam Department of Child Psychiatry; VU University; Amsterdam The Netherlands
11. Klinik für Pädiatrische Endokrinologie und Diabetologie; Charité - Universitätsmedizin Berlin; Corporate Member of Freie Universität Berlin; Humboldt-Universität zu Berlin; Berlin Germany
12. Berlin Institute of Health; Berlin Germany