1. Department of Pediatrics, College of Medicine University of Ibadan & University College Hospital, Ibadan, Oyo State, Nigeria
2. Department of Pediatrics, University of Ilorin Teaching Hospital, Ilorin, Kwara State, Nigeria
3. Department of Paediatrics, Nnamdi Azikiwe University Awka Nnamdi Azikiwe University Teaching Hospital Nnewi, Anambra state, Nigeria
4. Department of Paediatrics, Rivers State University Teaching Hospital, Port Harcourt/ Faculty of Clinical Sciences, Rivers State University. Port Harcourt, Rivers State, Nigeria
5. Department of Paediatrics, Jos University Teaching Hospital/ Faculty of Clinical Sciences, College of Health Sciences, University of Jos, Jos, Nigeria
6. Department of Paediatrics, Federal Medical Centre, Kastina. Kastina State, Nigeria
7. Department of Pediatrics, University College Hospital, Ibadan, Oyo State, Nigeria
8. Paediatrics Department, Asokoro District Hospital/College of Health Sciences, Nile University of Nigeria, Abuja
9. Department of Paediatrics, Bowen University Iwo/ Bowen University Teaching Hospital Ogbomosho
10. Gombe State University/ Federal Teaching Hospital Gombe
11. Department of Child and Adolescent Health Institute of Child Health, University of Ibadan
12. Department of Maternal and Child Health, Faculty of Nursing Sciences, LAUTECH Ogbomoso
13. Department of Paediatrics, Aminu Kano Teaching Hospital Kano