Liposarcoma

• Arizona Cancer Center at University of Arizona Health Sciences Center — Tucson, Arizona, United States
• Arkansas Cancer Research Center at University of Arkansas for Medical Sciences — Little Rock, Arkansas, United States
• Alta Bates Comprehensive Cancer Center — Berkeley, California, United States
• Peninsula Medical Center — Burlingame, California, United States

• Coeur d'Alene, Idaho, United States
• Park Ridge, Illinois, United States
• Iowa City, Iowa, United States
• Boston, Massachusetts, United States

• Centre Leon Berard — Lyon, France
• Our Lady's Hospital for Sick Children — Crumlin, Ireland
• Birmingham Children's Hospital — Birmingham, England, United Kingdom
• Bristol Royal Hospital for Children — Bristol, England, United Kingdom

• Institute of Child Health — Bristol, England, United Kingdom

• U.Z. Gasthuisberg — Leuven, Belgium

• Robert Roessle Comprehensive Cancer Center at University of Berlin - Charite Campus Buch — Berlin, Germany
• Universitaetsklinikum Essen — Essen, Germany
• Universitaetsklinikum Hamburg-Eppendorf — Hamburg, Germany
• Klinikum der Universitaet Muenchen - Grosshadern Campus — Munich, Germany

• Jonsson Comprehensive Cancer Center, UCLA — Los Angeles, California, United States
• Washington Hospital Center — Washington D.C., District of Columbia, United States
• Lutheran General Cancer Care Center — Park Ridge, Illinois, United States
• Warren Grant Magnuson Clinical Center - NCI Clinical Studies Support — Bethesda, Maryland, United States

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

Not specified

• Aarhus University Hospital - Aarhus Sygehus - Norrebrogade — Aarhus, Denmark
• Robert Roessle Comprehensive Cancer Center at University of Berlin - Charite Campus Buch — Berlin, Germany