1. Department of Pathology, Ahmadu Bello University Faculty of Medicine, Zaria, Nigeria.
2. Department of Pathology, Ahmadu Bello University Teaching Hospital, Zaria, Nigeria.
3. Department of Biochemistry, Ahmadu Bello University Faculty of Sciences, Zaria, Nigeria.
4. Department of Surgery, Ahmadu Bello University Faculty of Medicine, Zaria, Nigeria.
5. Department of Surgery Zaria, Ahmadu Bello University Teaching Hospital, Zaria, Nigeria.
6. Department of Radiotherapy, Ahmadu Bello University Faculty of Medicine, Zaria, Nigeria.
7. Department of Radiotherapy, Ahmadu Bello University Teaching Hospital, Zaria, Nigeria.
8. Department of Haematology and Blood Transfusion, Ahmadu Bello University Faculty of Medicine, Zaria, Nigeria.
9. Department of Haematology and Blood Transfusion, Ahmadu Bello University Teaching Hospital, Shika Zaria, Nigeria.
10. Department of Radiation Oncology, University of Ibadan, Ibadan, Nigeria.
11. Department of Radiation Oncology, University College Hospital, Ibadan, Nigeria.
12. Department of Biomedical Science, University of Wolverhampton, Wolverhampton, UK.