1. Doctoral School of Health and Sciences (EDSS), Faculty of Medicine, Saint-Joseph University of Beirut, Beirut, Lebanon
2. Public Health Department, Faculty of Health Sciences, University of Balamand, Beirut, Lebanon
3. Obstetrics and Reproduction, Hôtel-Dieu de France University Hospital, Beirut, Lebanon
4. Institute Desbrest of Epidemiology and Public Health, University of Montpellier and INSERM, Montpellier, France