1. Faculty of Medicine, Pharmacy and Dentistry, Institute of Health and Development, Dakar, Senegal
2. Institute of Health and Development, Cheikh Anta Diop University, Dakar, Senegal
3. Department of Socio-Anthropology, Gaston Berger University, Saint Louis, Senegal
4. Ngor-Almadie Health Center, Dakar Regional Health Department, Dakar, Senegal