1. 1st Department of Obstetrics and Gynecology, Medical University of Warsaw, 02-015 Warsaw, Poland
2. Bioanalysis Laboratory, Doctoral School of Exact and Natural Science, Faculty of Chemistry, University of Bialystok, Ciolkowskiego 1K, 15-245 Bialystok, Poland
3. Bioanalysis Laboratory, Faculty of Chemistry, University of Bialystok, Ciolkowskiego 1K, 15-245 Bialystok, Poland
4. Faculty of Medicine, Medical University of Warsaw, Żwirki i Wigury 61, 02-091 Warsaw, Poland
5. Angelius Provita Hospital, 40-611 Katowice, Poland
6. Center for Gynecology, Obstetrics and Infertility Treatment Pastelova, 60-198 Poznan, Poland
7. Division of Infertility and Reproductive Endocrinology, Department of Gynecology, Obstetrics and Gynecological Oncology, Poznan University of Medical Sciences, 61-701 Poznan, Poland
8. Chair and Department of Laboratory Diagnostics, Poznan University of Medical Sciences, 61-701 Poznan, Poland
9. Department of Reproductive Health, Institute of Mother and Child in Warsaw, 01-211 Warsaw, Poland
10. Department of Obstetrics and Gynecology, Central Clinical Hospital of the Ministry of Interior, 02-507 Warsaw, Poland
11. Department of Obstetrics and Gynecology, Institute of Mother and Child in Warsaw, 01-211 Warsaw, Poland
12. Collegium Medicum, Jan Kochanowski University in Kielce, 25-516 Kielce, Poland
13. Clinic of Obstetrics and Gynecology, Provincial Combined Hospital in Kielce, 25-736 Kielce, Poland
14. Department of Gynecology and Obstetrics, Medical University of Lodz, 90-419 Lodz, Poland
15. Department of Surgical Gynecology and Oncology, Medical University of Lodz, 90-419 Lodz, Poland
16. Department of Fetal Medicine and Gynecology, Medical University of Lodz, 90-419 Lodz, Poland
17. Clinic of Obstetric and Gynecology in Przemysl, 37-700 Przemysl, Poland
18. Department of Obstetrics and Gynecology, University of Rzeszow, 35-310 Rzeszow, Poland
19. Department of Gynecology, Gynecology Oncology and Obstetrics, Institute of Medical Sciences, Medical College of Rzeszow University, 35-310 Rzeszow, Poland
20. OVIklinika Infertility Center, 31 Połczyńska Street, 01-377 Warsaw, Poland
21. City South Hospital Warsaw, 02-781 Warsaw, Poland
22. Premium Medical Clinic, 04-359 Warsaw, Poland
23. Medical Faculty, Lazarski University, 02-662 Warsaw, Poland
24. Department of Obstetrics, Gynecology and Gynecological Oncology, Medical University of Warsaw, 03-242 Warsaw, Poland
25. Women’s Health Research Institute, Calisia University, 62-800 Kalisz, Poland