International Treatment Centers

CancerWorld

European Organization for the Research and Treatment of Cancer

ESMO – European Society of Medical Oncology

Australia

Peter Mac Sarcoma Service

Belgium

Leuven University Hospital

Canada

Cancer Care Ontario – Sarcoma Disease Site Group

England

British Sarcoma Group

The Royal Marsden Sarcoma Unit

Sarcoma UK

France

Centre Leon Berard

Institut de Cancerologie

Germany

Sarcoma Germany

India

Soft Tissue Tumour Online

Italy

Istituto Nazionale Tumori in Milan

Istituto Ortopedico Rizzoli in Bologna

Italian Sarcoma Group

Netherlands

ERASMUS MC in Rotterdam

Universitair Medisch Centrum Groningen

Russia

Children and Parents Against Cancer – Russia

Spain

Spanish Sarcoma Group

Sweden

Scandinavian Sarcoma Group

Switzerland

Istituto Oncologico della Svizzera Italiana (IOSI)