1. African Institute for Health Policy and Health Systems, Ebonyi State University, Abakaliki, Nigeria
2. Department of Community Medicine, Alex Ekwueme Federal University Teaching Hospital Abakaliki Ebonyi State, Nigeria
3. Department of Obstetrics and Gynaecology, Alex Ekwueme Federal University Teaching Hospital, Abakaliki, Ebonyi State, Nigeria
4. Kotebe Metropolitan University, Menelik II College of Medicine and Health Sciences, Department of Medical Laboratory Sciences, Addis Ababa, Ethiopia