1. Paediatric Haematology and Oncology, Department of Paediatrics and Child Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Tygerberg Hospital, Cape Town, South Africa;
2. Faculty of Health Sciences, Division of Paediatric Haematology and Oncology, Department of Paediatrics and Child Health, University of the Witwatersrand, Charlotte Maxeke Johannesburg Academic Hospital, Johannesburg, South Africa;
3. Haematology Oncology Service, Department of Paediatrics and Child Health, Faculty of Health Sciences, University of Cape Town, Red Cross War Memorial Children’s Hospital, Cape Town, South Africa;
4. Clinical Trial Center, CRC Antwerp, Antwerp University Hospital, University of Antwerp, Edegem, Belgium;
5. Paediatric Haematology and Oncology, Department of Paediatrics, University of Pretoria, Steve Biko Academic Hospital, Pretoria, South Africa;
6. Faculty of Health Sciences, Division of Paediatric Haematology and Oncology, Department of Paediatrics and Child Health, University of the Witwatersrand, Chris Hani Baragwanath Academic Hospital, Johannesburg, South Africa;
7. Department of Paediatric Surgery, Faculty of Health Sciences, Nelson R Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa;
8. Department of Paediatrics, Faculty of Health Sciences, University of the Free State, Division of Paediatric Haematology and Oncology, Universitas Hospital, Bloemfontein, South Africa;
9. Division of Paediatric Haematology and Oncology, Department of Paediatrics, Frere Hospital, East London, South Africa;
10. Paediatric Haematology Oncology, Department of Paediatrics and Child Health, Port Elizabeth Provincial Hospital, Walter Sisulu University, Port Elizabeth, South Africa