1. Division of Haematology, Department of Pathology, Faculty of Health Sciences University of Cape Town and National Health Laboratory Service, Groote Schuur Hospital Cape Town South Africa
2. Division of Anatomical Pathology, Department of Pathology, Faculty of Health Sciences University of Cape Town and National Health Laboratory Service, Groote Schuur Hospital Cape Town South Africa
3. Department of Radiation Oncology, Faculty of Health Sciences University of Cape Town, Groote Schuur Hospital Cape Town South Africa
4. Division of Haematology, Department of Internal Medicine, Faculty of Health Sciences University of Cape Town, Groote Schuur Hospital Cape Town South Africa