1. Department of Anatomical Pathology Faculty of Health Sciences University of the Free State and National Health Laboratory Service Bloemfontein South Africa
2. Department of Biostatistics Faculty of Health Sciences University of the Free State Bloemfontein South Africa
3. Department of Oncology Faculty of Health Sciences University of the Free State Bloemfontein South Africa
4. Division of Human Genetics Faculty of Health Sciences University of the Free State and National Health Laboratory Service Bloemfontein South Africa