1. Division of Urology Department of Surgery Faculty of Health Sciences Charlotte Maxeke Johannesburg Academic Hospital Johannesburg South Africa
2. Faculté de Médecine Université de Kinshasa Kinshasa Democratic Republic of Congo
3. Department of Paediatric Haematology and Oncology Nursing Services Chris Hani Baragwanath Academic Hospital Johannesburg South Africa
4. Department of Anatomopathology Faculty of Health Sciences University of the Witwatersrand Johannesburg South Africa