1. Department of Obstetrics & Gynecology, IVF Unit, Kaplan Medical Center, Rehovot, Israel (affiliated to the Hebrew University Faculty of Medicine, Jerusalem, Israel),
2. Clalit Health Services, Dan Petah–Tikva Region, Ramat Gan, Israel,
3. Sarah Racine IVF Unit, Lis Maternity Hospital, Tel Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel, and
4. Department of Obstetrics & Gynecology, Koc University School of Medicine, Istanbul, Turkey