1. Department of Paediatrics, University of Calabar Teaching Hospital, Calabar, Cross River State, Nigeria
2. Department of Haematology, University of Calabar, Calabar, Cross River State, Nigeria
3. Department of Pathology, University of Calabar, Calabar, Cross River State, Nigeria
4. Department of Ophthalmology, University of Calabar, Calabar, Cross River State, Nigeria
5. Department of Paediatric Surgery, University of Calabar Teaching Hospital, Calabar, Cross River State, Nigeria
6. Department of Radiology University of Calabar Teaching Hospital, Calabar, Cross River State, Nigeria