1. Department of Radiation Biology, Division of Radiotherapy and Radiodiagnosis, College of Medicine, University of Lagos/NSIA-LUTH Cancer Centre, Lagos, Nigeria

2. Department of Radiotherapy, Lagos University Teaching Hospital, Lagos, Nigeria

3. Department of Radiotherapy, Nigeria Sovereign Investment Authority-Lagos University Teaching Hospital, Lagos, Nigeria

4. Medical Physics Unit, Federal Medical Centre Asaba, Asaba, Nigeria

5. Department of Radiology, Lagos State University College of Medicine, Lagos, Nigeria