1. Royal Marsden NHS Trust LondonUK
2. Croydon University Hospital LondonUK
3. University Hospital Southampton Southampton UK
4. Ohio State University Wexner Medical Centre Ohio USA
5. Imperial College London UK
6. University of Texas Southwestern Medical Centre Dallas USA
7. Mount Sinai Medical Centre Toronto Canada
8. Royal Victoria Hospital, Belfast Health and Social Care Trust Belfast UK
9. Klinikum Augsburg Augsburg Germany
10. North Hampshire Hospital Basingstoke UK
11. Geneva University Hospital Geneva Switzerland
12. Niigata University Graduate School of Medical and Dental Sciences Niigata Japan
13. Netherlands Cancer Institute Amsterdam the Netherlands
14. Hôpital Saint‐Antoine Paris France
15. Vanderbilt University Medical Centre Nashville USA
16. University of Leeds LeedsUK
17. University of Bristol Bristol UK
18. Radbound University Medical Centre Nijmegen the Netherlands