1. Department of Haematology; University College London Hospital (UCLH); London; UK
2. Department of Haematology ; Kings College Hospital (KCH); London; UK
3. Department of Haematology; Worthing Hospital; Western & Sussex Hospitals NHS Trust; London; UK
4. Department of Haematology ; Guy's and St Thomas' Trust (GSTT); London; UK
5. Cancer Trials Centre; University College London; London; UK