1. Internal Medicine Department, National Hospital of Niamey, Ministry of Public Health, Population and Social Affairs, Niamey, Niger
2. Operation Department, Public Health Emergency Operation Centre (PHEOC), Ministry of Public Health, Population and Social Affairs, Niamey, Niger
3. Epidemiology Department, Centre de Recherche Médicale et Sanitaire (CERMES), Ministry of Public Health, Population and Social Affairs, Niamey, Niger
4. Department of Emergency, World Health Organization Country Office, Niamey, Niger