1. Department of Obstetrics and Gynecology, Soroka University Medical CenterBen‐Gurion University of the Negev Beer‐Sheva Israel
2. Department of Public Health, Faculty of Health SciencesBen‐Gurion University of the Negev Beer‐Sheva Israel
3. Department of Neonatology, Soroka University Medical CenterBen‐Gurion University of the Negev Beer‐Sheva Israel
4. Department of Obstetrics and Gynecology, Hadassah MtScopus Medical Center Jerusalem Israel