1. Department of Urology, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
2. Division of Radiation Oncology, Department of Medical Imaging and Clinical Oncology, Tygerberg Academic Hospital and Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
3. Biostatistics Unit, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
4. Department of Psychiatry, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa