1. Fertility Department Sor Telemark Hospital Trust Porsgrunn Norway
2. Centre for Fertility and Health National Institute of Public Health Oslo Norway
3. Department of Obstetrics and Gynecology, Institute of Clinical Sciences, Sahlgrenska Academy Gothenburg University Gothenburg Sweden
4. Sahlgrenska University Hospital Gothenburg Sweden
5. Medical and Clinical Genetics University of Helsinki and Helsinki University Hospital Helsinki Finland
6. Institute for Molecular Medicine Finland, Helsinki Institute of Life Science University of Helsinki Helsinki Finland
7. Department of Obstetrics and Gynecology Tampere University Hospital, The Wellbeing Services Tampere Finland
8. Centre for Child, Adolescent and Maternal Health Research, Faculty of Medicine and Health Technology Tampere University Tampere Finland
9. Fertility Clinic, Department of Gynecology, Fertility and Obstetrics Copenhagen University Hospital ‐ Rigshospitalet Copenhagen Denmark
10. Department of Clinical Medicine University of Copenhagen Copenhagen Denmark
11. Research Unit of Clinical Medicine, Department of Obstetrics and Gynecology, Medical Research Center Oulu University of Oulu and Oulu University Hospital Oulu Finland