1. Guy's and St Thomas' NHS Foundation Trust; Great Maze Pond; London UK
2. Royal Marsden NHS Foundation Trust and Institute of Cancer Research; Sutton UK
3. King's College London; Division of Cancer Studies; Cancer Epidemiology Group; London UK
4. Clatterbridge Cancer Centre NHS Foundation Trust; Bebington UK
5. St. Bartholomew's Hospital NHS Foundation Trust; London UK
6. University Hospitals Bristol NHS Foundation Trust; Bristol UK
7. University College Hospital; London UK