1. Department of Clinical Science Intervention, and Technology (S.A., O.H.), Division of Obstetrics and Gynaecology, Karolinska Institutet, Karolinska University Hospital Huddinge, 14186 Stockholm, Sweden;
2. Institute of Computer Science (J.R., J.V.), University of Tartu, Tartu, Estonia;
3. XEN LTD. (J.R.), 51010 Tartu, Estonia;
4. Department of Biosciences (P.Z., P.K.), Karolinska Institutet, Novum, 14186 Stockholm, Sweden;
5. Department of Medical Genetics (J.K.), University of Helsinki, and Folkhälsan Institute of Genetics, 00014 Helsinki, Finland;
6. Competence Centre on Reproductive Medicine and Biology (S.A., T.L., M.S., M.P., A.S.), 50410 Tartu, Estonia;
7. Department of Obstetrics and Gynaecology (T.L., M.S., M.P., A.S.), University of Tartu, Tartu, Estonia;
8. Department of Women's and Children's Health (A.S.-E.), Uppsala University, Akademiska Sjukhuset, 75185 Uppsala, Sweden