[1] Teaching Hosp Treichville, Stomatol & Maxillofacial Surg Dept, BPV 3, Abidjan, Cote Ivoire
[2] Felix Houphouet Boigny Univ, Med Sci Training & Res Unit, BP V34, Abidjan, Cote Ivoire
[3] Teaching Hosp Treichville, ENT & Cerv Surg Dept, BPV 3, Abidjan, Cote Ivoire
[4] Teaching Hosp Angre, Radiodiagnost & Imaging Dept, BP 54378, Abidjan, Cote Ivoire
[5] Teaching Hosp Treichville, Trop & Infect Dis Dept, BPV 3, Abidjan, Cote Ivoire