1. Federal Teaching Hospital Ido-Eki, Ido-Eki, Nigeria
2. Obafemi Awolowo University Teaching Hospital Complex, Ile-Ife, Nigeria
3. Afe Babalola University, Ado Ekiti, Nigeria
4. Faculty of Science, Federal University Oye-Ekiti, Oye-Ekiti, Nigeria
5. Department of Family Medicine, University College Hospital, Ibadan, Ibadan, Nigeria
6. Department of Family Medicine, Lautech Teaching Hospital, Osogbo, Nigeria