1. Mohamed V University, Faculty of Medicine and Pharmacy of Rabat, Laboratory of Biostatistics, Clinical Research and Epidemiology, Rabat, MOROCCO
2. High Institute of Nursing Professions and Technical Health, Agadir, MOROCCO
3. Mohamed V University, Faculty of Medicine and Pharmacy of Rabat, Department of Public Health, Laboratory of Community Health, Preventive Medicine and Hygiene, and Public Health, Rabat, MOROCCO