1. ENT Unit, Reference Health Center of Commune V of the Bamako District, Bamako, Mali
2. ENT and Head and Neck Surgery Department, CHU Mother-Child “Luxembourg”, Bamako, Mali
3. Pediatric Unit, Reference Health Center of Commune V of the Bamako District, Bamako, Mali
4. Medical Imaging Department, Mohamed VI Perinatal Clinic, Bamako, Mali
5. ENT Unit, Reference Health Center of Commune I of the Bamako District, Bamako, Mali
6. ENT Unit, Reference Health Center of Commune VI of the Bamako District, Bamako, Mali
7. ENT Department, Gabriel Touré University Hospital, Bamako, Mali