1. Department of Medical Oncology, Netherlands Cancer Institute – Antoni van Leeuwenhoek, 1066 CX, Amsterdam, The Netherlands
2. School of Health Sciences, University of Southampton, Southampton, SO17 1BJ, UK
3. Sarcoma Unit, The Royal Marsden National Health Service Foundation Trust, London, SW3 6JJ, UK
4. Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3015 GD, Rotterdam, The Netherlands
5. Cancer Sciences, University of Southampton, Southampton, SO17 1BJ, UK
6. Department of Surgical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3015 GD, Rotterdam, The Netherlands
7. Division of Clinical Studies, Institute of Cancer Research, London, SW3 6JB, UK