1. Department of Community Medicine, Ladoke Akintola University of Technology (LAUTECH) Teaching Hospital, PMB 4007, Ogbomoso, Oyo State, Nigeria
2. Department of Community Medicine, Osun State University, PMB 4494, Osogbo, Osun State, Nigeria
3. Department of Community Medicine, College of Health Sciences, Ladoke Akintola University of Technology (LAUTECH), PMB 4000, Ogbomoso, Oyo State, Nigeria