Chondrosarcoma, Extraskeletal Myxoid

• Children's Healthcare of Atlanta — Atlanta, Georgia, United States
• Lurie Children's Hospital of Chicago — Chicago, Illinois, United States
• Our Lady of the Lake Children's Hospital — Baton Rouge, Louisiana, United States
• Dana Farber Cancer Institute — Boston, Massachusetts, United States

• Rush University Medical Center — Chicago, Illinois, United States
• Massachusetts General Hospital — Boston, Massachusetts, United States
• Dana-Farber Cancer Institute — Boston, Massachusetts, United States
• Mayo Clinic — Rochester, Minnesota, United States

Not specified

• Children's Hospital of Alabama — Birmingham, Alabama, United States
• University of Alabama at Birmingham Cancer Center — Birmingham, Alabama, United States
• The Kirklin Clinic at Acton Road — Birmingham, Alabama, United States
• Anchorage Associates in Radiation Medicine — Anchorage, Alaska, United States

• Istituto Ortopedico Rizzoli — Bologna, Italy
• Candiolo Cancer Institute - FPO, IRCCS — Candiolo, Italy
• Istituto Nazionale dei Tumori — Milan, Italy
• Hospital Universitario Fundación Jiménez Díaz — Madrid, Spain

• H. Son Espases — Palma de Mallorca, Balearic Islands, Spain
• H. Universitario de Canarias — Santa Cruz de Tenerife, Santa Cruz De Tenerife, Spain
• Hospital de la Santa Creu i Sant Pau — Barcelona, Spain
• Hospital La Paz — Madrid, Spain

• University of Alabama at Birmingham — Birmingham, Alabama, United States
• Phoenix Childrens Hospital — Phoenix, Arizona, United States
• University of Arizona Health Sciences Center — Tucson, Arizona, United States
• University of Arkansas for Medical Sciences — Little Rock, Arkansas, United States

• OHSU Knight Cancer Institute — Portland, Oregon, United States
• Fred Hutch/University of Washington Cancer Consortium — Seattle, Washington, United States

• Royal Orthopedic Hospital NHS Trust — Birmingham, England, United Kingdom
• Christie Hospital — Manchester, England, United Kingdom
• Mount Vernon Cancer Centre at Mount Vernon Hospital — Northwood, England, United Kingdom
• Nottingham City Hospital — Nottingham, England, United Kingdom

• CCOP - Christiana Care Health Services — Newark, Delaware, United States
• University of Florida Shands Cancer Center — Gainesville, Florida, United States
• Mayo Clinic - Jacksonville — Jacksonville, Florida, United States
• University of Miami Sylvester Comprehensive Cancer Center - Miami — Miami, Florida, United States