1. 1Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
2. 2Developmental Endocrinology Research Group, University of Glasgow, Glasgow, UK
3. 3Pediatric Endocrinology and Diabetes, Marmara University, Istanbul, Turkey
4. 4Pediatric Endocrinology, Lady Ridgeway Hospital, Colombo, Sri Lanka
5. 5Department of Internal Medicine, University of Sao Paulo, Sao Paulo, Brazil
6. 6Department of Medical and Surgical Sciences, Pediatric Unit, Endo-ERN Center for Rare Endocrine Diseases, S.Orsola-Malpighi University Hospital, Bologna, Italy
7. 7Department of Pediatrics, Aarhus University Hospital, Aarhus, Denmark
8. 8Institute for Experimental Pediatric Endocrinology and Center for Chronically Sick Children, Charite – Universitätsmedizin Berlin, Berlin, Germany
9. 9Department of Pediatrics, Technical University Munich, Munich, Germany
10. 10Department of Pediatrics, Klinikum Wels-Grieskirchen, Wels, Austria
11. 11Pediatric Endocrinology, Internal Medicine and Pediatric Research Unit, University Hospital Ghent, Ghent University, Ghent, Belgium
12. 12Pediatric Surgery Service, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
13. 13Paediatric Endocrinology Unit, Istanbul University, Istanbul Faculty of Medicine, Istanbul, Turkey
14. 14Department of Paediatric Endocrinology, Regina Margherita Children’s Hospital, University of Torino, Torino, Italy
15. 15Pediatrics Department, Ain Shams University, Cairo, Egypt
16. 16Department of Paediatric Endocrinology, Emma Children’s Hospital, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
17. 17Centre for Endocrinology, William Harvey Research Institute, Queen Mary University London, London, UK
18. 18Department of Paediatric Endocrinology, Barts Health NHS Trust – Royal London Hospital, London, UK
19. 19Department of Pediatric Endocrinology, Radboud University Medical Centre, Nijmegen, Netherlands
20. 20Saglik Bilimleri University, Medical Faculty Zeynep Kamil Maternity and Children Hospital, Pediatric Endocrinology Clinic, Istanbul, Turkey
21. 21Department of Pediatric Endocrinology, Sophia Children’s Hospital, Erasmus Medical Centre, Rotterdam, Netherlands
22. 22Department of Paediatrics, Leiden University Medical Centre, Leiden, Netherlands
23. 23Department of Endocrinology, Christie Hospital NHS Foundation Trust, Manchester, UK
24. 24Department of Paediatrics, Medical University of Varna, Varna, Bulgaria
25. 25Pediatric Endocrinology Wilhelmina Children’s Hospital, University Medical Centre Utrecht, Utrecht, Netherlands
26. 26Department of Endocrinology and Diabetes, Birmingham Women’s and Children’s Hospital, Birmingham, UK
27. 27Department of Endocrinology, University of Medicine and Pharmacy Craiova, Craiova, Romania
28. 28Semmelweis University, Budapest, Hungary
29. 29Department of Endocrinology, Institute for Mother and Child Healthcare of Serbia ‘Dr Vukan Čupić’ Belgrade, Serbia
30. 30Department of Pediatrics, Otto-von-Guericke University, Magdeburg, Germany
31. 31Department of Pediatrics, University of Cambridge, Cambridge Biomedical Campus, Cambridge, UK
32. 32Oxford Centre for Diabetes, Endocrinology & Metabolism, NIHR Oxford Biomedical Research Centre, Churchill Hospital, Oxford, UK
33. 33Centro de Investigaciones Endocrinológicas (CEDIE-CONICET), Hospital de Niños Ricardo Gutiérrez, Buenos Aires, Argentina
34. 34Institute for Diabetes and Endocrinology, Schneider’s Children Medical Center of Israel, Petah-Tikvah, Israel
35. 35Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel
36. 36Department of Medicine III, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany