1. Selly Oak Hospital, Raddlebarn Road, Birmingham B29 6JD, UK.
2. Royal Shrewsbury Hospital, Mytton Oak Road, Shrewsbury SY3 8XQ, UK.
3. Royal Orthopaedic Hospital Oncology Service, Bristol Road South, Northfield, Birmingham B31 2AP, UK.
4. Suite 476E, Mount Sinai Hospital, 600 University Avenue, Toronto, Ontario, M5G 1X5, Canada.
5. Department of Radiation Oncology Radiation Medicine Program, Princess Margaret Hospital, University Health Network, 610 University Avenue, Toronto, Ontario, M5G 2M9, Canada.
6. The Denver Clinic for Extremities at Risk, 1601 East 19th Avenue, Suite 3300, Denver, Colorado 80218, USA.
7. Mayo Clinic 200 First Street SW, Rochester, Minnesota 55905, USA.