1. GI and Lymphoma Unit; The Royal Marsden Hospital; Sutton UK
2. Cancer Research UK Centre; University of Southampton; Southampton UK
3. Department of Haematology; University College Hospital; London UK
4. Department of Histopathology; The Royal Marsden Hospital; London UK
5. Department of Radiology; The Royal Marsden Hospital; Sutton UK
6. Department of Oncology Research; Eastern Health; Melbourne Australia
7. Department of Haematology; Blackpool Victoria Hospital; Blackpool UK
8. Oxford Cancer and Haematology Centre; Churchill Hospital; Oxford UK
9. Manchester Academic Health Science Centre; University of Manchester and the Christie NHS Foundation Trust; Manchester UK
10. Department of Haematology; Royal Cornwall Hospital; Truro UK
11. Department of Haematology; New Victoria Hospital; Glasgow UK
12. Department of Haemato-oncology; St Bartholomew's Hospital; London UK
13. Department of Haematology; The Beatson West of Scotland Cancer Centre; Glasgow UK
14. Department of Oncology; Gloucestershire Hospitals NHS Foundation Trust; Gloucester UK
15. Department of Haematology; Royal Hallamshire Hospital; Sheffield UK
16. Department of Haematology; Royal Liverpool University Hospital; Liverpool UK
17. Department of Haematology; Sandwell and West Birmingham Hospitals NHS Trust; West Bromwich UK
18. Department of Haematology; Torbay Hospital; Torquay UK