Sarcoma, Endometrial Stromal

• NYU School of Medicine's Kaplan Comprehensive Cancer Center — New York, United States
• New York Presbyterian Hospital - Cornell Campus — New York, United States
• Mount Sinai Medical Center, NY — New York, United States
• Albert Einstein Comprehensive Cancer Center — The Bronx, New York, United States

• Dana-Farber/Harvard Cancer Center at Dana Farber Cancer Institute — Boston, Massachusetts, United States
• Memorial Sloan-Kettering Cancer Center — New York, United States

• Karl-Franzens-University Graz — Graz, Austria
• Institut Jules Bordet — Brussels, Belgium
• Hopital Universitaire Erasme — Brussels, Belgium
• Cliniques Universitaires Saint-Luc — Brussels, Belgium

• U.Z. Gasthuisberg — Leuven, Belgium

• Cancer Center of Albany Medical Center — Albany, New York, United States
• North Shore University Hospital — Manhasset, New York, United States
• St. Vincent's Comprehensive Cancer Center — New York, United States
• NYU School of Medicine's Kaplan Comprehensive Cancer Center — New York, United States

• University of Alabama Comprehensive Cancer Center — Birmingham, Alabama, United States
• CCOP - Greater Phoenix — Phoenix, Arizona, United States
• Jonsson Comprehensive Cancer Center, UCLA — Los Angeles, California, United States
• Community Hospital of Los Gatos — Los Gatos, California, United States

• Universitair Ziekenhuis Antwerpen — Edegem, Belgium
• U.Z. Gasthuisberg — Leuven, Belgium
• Aarhus Kommunehospital — Aarhus, Denmark
• Rigshospitalet — Copenhagen, Denmark

Not specified

• U.Z. Gasthuisberg — Leuven, Belgium
• Tom Baker Cancer Center - Calgary — Calgary, Alberta, Canada
• CHUS-Hopital Fleurimont — Fleurimont, Quebec, Canada
• Centre Henri Becquerel — Rouen, France

• Lund University Hospital — Lund, Sweden