1. Department of Morbid Anatomy and Histopathology, Federal Medical Centre, Keffi 770108, Nigeria
2. Department of Ophthalmology, Federal Medical Centre, Keffi 770108, Nigeria
3. Department of Morbid Anatomy & Forensic Medicine, Obafemi Awolowo University, Ile-Ife 220282, Nigeria
4. Pathology Unit, Asokoro District Hospital, Abuja 900231, Nigeria