1. Life Institute for Endoscopy, Life Specialist Hospital Limited, 7 Ikemba Drive, Umudim, Nnewi, Anambra State, Nigeria
2. Effective Care Research Unit, Department of Obstetrics and Gynaecology, Faculty of Medicine, Nnamdi Azikiwe University, Nnewi Campus, Nnewi, Nigeria
3. Department of Obstetrics and Gynaecology, Nnamdi Azikiwe University Teaching Hospital, Nnewi, Anambra State, Nigeria
4. Matushree Hospital, Charkop, Kandivali, Mumbai, India
5. Department of Community Medicine, Chukwuemeka Odumegwu Ojukwu University, Amaku, Awka, Nigeria
6. Department of Obstetrics and Gynaecology, Asokoro District Hospital, FCT Abuja, Nigeria