1. Department for Gynecology, Obstetrics and Reproductive Medicine, Saarland University Hospital, 66421 Homburg, Germany
2. Department of Oncology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
3. “Prof. Dr. Alexandru Trestioreanu” Oncology Institute, 022328 Bucharest, Romania
4. Department of Obstetrics and Gynecology, “Carol Davila” University of Medicine and Pharmacy, 020021 Bucharest, Romania
5. The “Bucur” Maternity, ‘Saint John’ Hospital, 040294 Bucharest, Romania
6. Unit of Reproductive Endocrinology, 1st Department of Obstetrics and Gynecology, Papageorgiou General Hospital, Aristotle University of Thessaloniki, 56403 Thessaloniki, Greece