1. Department of Obstetrics and Gynaecology, Enugu State University of Science and Technology (ESUT) Teaching Hospital, Parklane, Enugu, Nigeria
2. Department of Obstetrics and Gynaecology, Nnamdi Azikiwe University Teaching Hospital (NAUTH), Nnewi, Anambra State, Nigeria
3. Effective Care Research Unit, Department of Obstetrics and Gynaecology, Nnamdi Azikiwe University, Nnewi Campus, Nigeria