Sarcoma, Clear Cell

• 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

• University of Florida — Gainesville, Florida, United States

• St. Jude Children's Research Hospital — Memphis, Tennessee, United States

• Chu Besancon - Site Jean Minjoz — Besançon, France
• Institut Bergonié — Bordeaux, France
• Centre Jean Perrin — Clermont-Ferrand, France
• Centre Georges François Leclerc — Dijon, France

• University of Southern California - Norris Cancer Center — Los Angeles, California, United States
• Memorial Sloan Kettering Cancer Center — New York, United States

• The Second Affiliated Hospital Zhejiang University School of Medicine — Hangzhou, Zhejiang, China

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

• Arkansas Children's Hospital — Little Rock, Arkansas, United States
• Rady Children's Hospital — San Diego, California, United States
• Connecticut Children's Hospital — Hartford, Connecticut, United States
• Arnold Palmer Hospital for Children — Orlando, Florida, 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