1. Department of Nuclear Medicine, College of Medicine, University of Ibadan and University College Hospital, Ibadan, Nigeria
2. Radiation Oncology Department, College of Medicine, University of Ibadan and University College Hospital, Ibadan, Nigeria
3. Chivar Clinics and Urology Centre, FCT Abuja, Nigeria
4. Department of Surgery, Urology Division, Lagos State University College of Medicine and Lagos State University Teaching Hospital, Ikeja, Nigeria
5. Department of Surgery, Urology Division, College of Medicine, University of Ibadan and University College Hospital, Ibadan, Nigeria