1. NORDFERTIL Research Lab Stockholm, Department of Women's and Children's Health, Karolinska Institutet and University Hospital, Stockholm, Sweden
2. Pediatric Endocrinology Unit, Department of Women’s and Children’s Health, Karolinska Institutet and University Hospital, Stockholm, Sweden
3. Sultan Qaboos University, College of Medicine and Health Sciences, Muscat, Oman
4. Department of Development and Regeneration, Organ System Cluster, Group of Biomedical Sciences, KU Leuven, Herestraat 49, Leuven, Belgium
5. Reproductive Medicine, Department of Obstetrics and Gynaecology, Karolinska University Hospital, Stockholm, Sweden
6. Department of Medicine, Karolinska Institutet, Stockholm, Sweden
7. Clinic and University, Children's Medical Center, Landspítali University Hospital, Reykjavik, Iceland
8. Faculty of Medicine, University of Iceland, Reykjavik, Iceland
9. Department of Paediatric Oncology and Haematology, Clinical Sciences, Lund University, Lund, Sweden
10. Division of Paediatrics, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden
11. Pediatric Blood Disorders, Immunodeficiency and Stem Cell Transplantation, Astrid Lindgren Children’s Hospital, Karolinska University Hospital, Stockholm, Sweden
12. Clinical Sciences, Paediatrics, Umeå University, Umeå, Sweden
13. Department of Paediatric Oncology, The Queen Silvia Children’s Hospital, Gothenburg, Sweden
14. Department of Paediatrics, Faculty of Health Sciences, Linköping University, Linköping, Sweden
15. Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, Linköping, Sweden
16. Division of Urology, Institution for Clinical Science Intervention and Technology, Karolinska Institutet, Huddinge, Stockholm, Sweden
17. MRC Centre for Reproductive Health, The Queen’s Medical Research Institute, The University of Edinburgh, Edinburgh, UK
18. The Edinburgh Royal Hospital for Sick Children, Edinburgh, UK
19. Department of Women’s and Children’s Health, Paediatric Oncology Unit, Karolinska Institutet, Stockholm, Sweden
20. University Hospital, Stockholm, Sweden
21. Division of Haematology-Oncology and Stem Cell Transplantation, Children´s Hospital, University of Helsinki, Helsinki University Central Hospital, Helsinki, Finland