1. Department of Obstetrics and Gynecology, Nnamdi Azikiwe University, Awka, Nigeria
2. Department of Obstetrics and Gynecology, Nnamdi Azikiwe University Teaching Hospital, PMB 5025, Nnewi, Anambra State, Nigeria
3. Department of Obstetrics and Gynecology, Obafemi Awolowo University, Ile-Ife, Nigeria
4. Department of Obstetrics and Gynecology, Obafemi Awolowo University Teaching Hospital Complex, Ile-Ife, Nigeria
5. Department of Obstetrics and Gynecology, University of Maiduguri, Maiduguri, Nigeria
6. Department of Obstetrics and Gynecology, University of Maiduguri Teaching Hospital, Maiduguri, Nigeria
7. Department of Paediatrics, Nnamdi Azikiwe University, Awka, Nigeria
8. Department of Obstetrics and Gynecology, University of Port Harcourt, Port Harcourt, Nigeria
9. Department of Obstetrics and Gynecology, University of Port Harcourt Teaching Hospital, Port Harcourt, Nigeria
10. Department of Obstetrics and Gynecology, University of Abuja, Abuja, Nigeria
11. Department of Obstetrics and Gynecology, University of Abuja Teaching Hospital, Abuja, Nigeria
12. Department of Obstetrics and Gynecology, Bayero University, Kano, Nigeria
13. Department of Obstetrics and Gynecology, Aminu Kano Teaching Hospital, Kano, Nigeria
14. Cochrane Nigeria, Institute of Tropical Diseases Research and Prevention, University of Calabar Teaching Hospital, Calabar, Nigeria
15. Immunology Unit, Department of Medical Laboratory Science, Nnamdi Azikiwe University, Awka, Nigeria
16. Department of Community Medicine and Primary Health Care, Faculty of Medicine, Chukwuemeka Odumegwu Ojukwu University, Amaku, Awka, Nigeria
17. Department of Community Medicine and Primary Health Care, Faculty of Medicine, Chukwuemeka Odumegwu Ojukwu University Teaching Hospital, Amaku, Awka, Nigeria
18. Department of Obstetrics and Gynecology, Havana Specialist Hospital, Surulere Lagos, Nigeria
19. Department of Pharmaceutical Sciences, Nnamdi Azikiwe University, Awka, Nigeria
20. Department of Statistics, Nnamdi Azikiwe University, Awka, Nigeria
21. HIV Care Laboratory, HIV Care Department, Nnamdi Azikiwe University Teaching Hospital, Nnewi, Nigeria
22. School of Public Health, University of Port Harcourt, Port Harcourt, Rivers State, Nigeria
23. Department of Medical Microbiology and Parasitology, Faculty of Medicine, Nnamdi Azikiwe University, Awka, Nigeria
24. Gastroenterology Unit, Department of Medicine, Faculty of Medicine, Nnamdi Azikiwe University, Awka, Nigeria
25. Department of Mass Communication, Nnamdi Azikiwe University, Awka, Nigeria
26. Department of Physics and Engineering Physics, Obafemi Awolowo University, Ile-Ife, Nigeria
27. Department of Nursing, Obafemi Awolowo University Teaching Hospital Complex, Ile-Ife, Nigeria
28. Department of Family Medicine, Faculty of Medicine, Nnamdi Azikiwe University, Awka, Nigeria
29. Department of Physiological Sciences, Obafemi Awolowo University, Ile-Ife, Nigeria
30. Department of Parasitology & Entomology, Faculty of Veterinary Medicine, University of Maiduguri Borno State, Maiduguri, Nigeria
31. Department of Ophthalmology, Nnamdi Azikiwe University, Awka, Nigeria
32. Measurement Evaluation and Research Unit, Department of Educational Foundations, Nnamdi Azikiwe University, Awka, Nigeria
33. Department of Human Physiology, Nnamdi Azikiwe University, Awka, Nigeria
34. Department of Radiology, Faculty of Medicine, Nnamdi Azikiwe University, Awka, Nigeria
35. Department of Nursing, Nnamdi Azikiwe University Teaching Hospital, Nnewi, Nigeria
36. Department of Hematology, Faculty of Medicine, Nnamdi Azikiwe University, Awka, Nigeria
37. Department of Hematology & Immunology, College of Medicine, University of Nigeria, Ituku-Ozalla, Enugu State, Nigeria
38. Department of Obstetrics and Gynecology, College of Medicine, University of Nigeria Enugu Campus, Enugu, Nigeria
39. Nigerian Institute of Medical Research, Lagos, Nigeria