1. Department of Emergency Medicine, Charlotte Maxeke Johannesburg Academic Hospital and University of the Witwatersrand, Faculty of Health Sciences, Johannesburg, South Africa
2. Department of Urology, Helen Joseph Hospital, Johannesburg, South Africa
3. Department of Paediatric Urology, Rahima Moosa Mother & Child Hospital, Johannesburg, South Africa
4. Division of Urology, Department of Surgery, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa