1. Department of Obstetrics, Gynecology and Perinatology; Obafemi Awolowo University; Ile-Ife Nigeria
2. Department of Community Health; Obafemi Awolowo University; Ile-Ife Nigeria
3. Academy for Health Development; Ile-Ife Nigeria
4. Department of Community Health; Obafemi Awolowo University Teaching Hospitals Complex; Ile-Ife Nigeria