1. Reproductive Medicine; Department of Obstetrics and Gynecology; Karolinska University Hospital; Stockholm Sweden
2. Department of Obstetrics and Gynecology; Division of Gynecologic Endocrinology and Reproductive Medicine; Medical University of Vienna; Vienna Austria
3. Wunschbaby Institute Feichtinger; Vienna Austria
4. Department of Women's and Children's Health; Karolinska Institute; Stockholm Sweden
5. Department of Oncology - Pathology; Karolinska Institute; Stockholm Sweden