1. Department of Obstetrics and Gynaecology, University of Nigeria Teaching Hospital, Ituku-Ozalla, Enugu State, Nigeria
2. Department of Obstetrics and Gynaecology, College of Medicine, University of Nigeria/University of Nigeria Teaching Hospital, Ituku-Ozalla, Enugu State, Nigeria
3. Department of Ophthalmology, University of Nigeria Teaching Hospital, Ituku-Ozalla, Enugu State, Nigeria