1. Department of Obstetrics and Gynecology, Shaare Zedek Medical Center, affiliated with the Hebrew University Medical School of Jerusalem, Jerusalem, Israel;
2. Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel;
3. Department of Neonatology, Shaare Zedek Medical Center, affiliated with the Hebrew University Medical School of Jerusalem, Jerusalem, Israel;
4. Women & Children’s Health Research Unit, Gertner Institute, Tel Hashomer, Israel