1. Department of Surgery; College of Medicine; Blantyre Malawi
2. Department of Histopathology; College of Medicine; Blantyre Malawi
3. Department of Histopathology; School of Medicine; Cardiff University; Health Park Cardiff UK
4. Department of Paediatrics; College of Medicine; Blantyre Malawi
5. Department of Paediatric Oncology; Sir James Spence Institute of Child Health, Royal Victoria Infirmary Queen, Victoria Road Newcastle upon Tyne; NewCastle UK
6. Department of Paediatric Oncology; VU University Medical Center; Amsterdam The Netherlands