1. National Cancer Registry, National Health Laboratory Service, Johannesburg, South Africa
2. Sydney Brenner Institute for Molecular Bioscience, University of the Witwatersrand, Johannesburg, South Africa
3. Division of Human Genetics, School of Pathology, National Health Laboratory Service and University of the Witwatersrand, Johannesburg, South Africa
4. Department of Medical and Molecular Genetics, Faculty of Life Sciences and Medicine, King’s College London, London, United Kingdom
5. Division of Medical Biochemistry and Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
6. Division of Anatomical Pathology, University of Cape Town, Cape Town, South Africa
7. School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
8. Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology & Neuroscience, King’s College London, London, United Kingdom