1. Department of Paediatrics; Queen Elizabeth Central Hospital and College of Medicine; Blantyre Malawi
2. Department of Applied Sciences; University of Northumbria; Newcastle upon Tyne UK
3. Department of Paediatrics; Queen Elizabeth Central Hospital; Blantyre Malawi
4. Department of Paediatric Oncology; VU Medical Centre; Amsterdam the Netherlands
5. University College Hospital; Paediatric and Adolescent Oncology; London UK
6. University of Newcastle upon Tyne; Newcastle upon Tyne UK
7. Northern Institute of Cancer Research; Newcastle upon Tyne UK
8. Department of Haematology; Royal Victoria Infirmary; Newcastle upon Tyne UK
9. Great North Childrens Hospital and University of Newcastle upon Tyne; Newcastle upon Tyne UK