1. Department of Anaesthesia, Nnamdi Azikiwe University, Nnewi campus, Nigeria
2. Department of Anaesthesia, Nnamdi Azikiwe University Teaching Hospital Nnewi, Nnewi campus, Nigeria
3. Department of Obstetrics and Gynaecology, Nnamdi Azikiwe University, Nnewi campus, Nigeria
4. Department of Obstetrics and Gynaecology, Nnamdi Azikiwe University Teaching Hospital, Nnewi, Nigeria
5. Medical Centre, Nnamdi Azikiwe University, Awka, Nigeria
6. Department of Internal Medicine, Nnamdi Azikiwe University, Nnewi campus, Nigeria
7. Department of Internal Medicine, Nnamdi Azikiwe University Teaching Hospital Nnewi, Nigeria
8. Department of Family Medicine, Nnamdi Azikiwe University Teaching Hospital Nnewi, Nigeria