1. Department of Ear, Nose, and Throat, University of Ilorin, PMB 1515, Ilorin 240213, Nigeria
2. University of Ilorin Teaching Hospital, PMB 1459, Ilorin 240212, Nigeria
3. Department of Pharmacology, Ekiti State University, PMB 5363, Ado-Ekiti 360221, Nigeria
4. Accident and Emergency Department, University of Ilorin Teaching Hospital, PMB 1459, Ilorin 240212, Nigeria