International Treatment Centers
European Organization for the Research and Treatment of Cancer
ESMO – European Society of Medical Oncology
Australia
Belgium
Canada
Cancer Care Ontario – Sarcoma Disease Site Group
England
The Royal Marsden Sarcoma Unit
France
Germany
Italy
Istituto Nazionale Tumori in Milan
Istituto Ortopedico Rizzoli in Bologna
Netherlands
Universitair Medisch Centrum Groningen