Neoplasms, Complex and Mixed

• Fox Chase Cancer Center — Rockledge, Pennsylvania, United States
• Cross Cancer Institute — Edmonton, Alberta, Canada
• University Health Network-Princess Margaret Hospital — Toronto, Ontario, Canada
• Montreal General Hospital — Montreal, Quebec, Canada

• Children's Hospital of Alabama — Birmingham, Alabama, United States
• University of Alabama at Birmingham — Birmingham, Alabama, United States
• University of Arkansas for Medical Sciences — Little Rock, Arkansas, United States
• Southern California Permanente Medical Group — Downey, California, United States

• Birmingham Children's Hospital — Birmingham, England, United Kingdom
• Bristol Royal Hospital for Childre — Bristol, England, United Kingdom
• Addenbrooke's Hospital — Cambridge, England, United Kingdom
• Royal Marsden - London — London, England, United Kingdom

• Nationwide Children's Hospital — Columbus, Ohio, United States

• Hartford Hospital — Hartford, Connecticut, United States
• The Hospital of Central Connecticut — New Britain, Connecticut, United States
• Sarasota Memorial Hospital — Sarasota, Florida, United States
• Memorial University Medical Center — Savannah, Georgia, United States

• Children's Memorial Hermann Hospital — Houston, Texas, United States
• University of Texas MD Anderson Cancer Center — Houston, Texas, United States

• University of Texas MD Anderson Cancer Center — Houston, Texas, United States

• University of Michigan, Department of Surgery, Pediatric Section — Ann Arbor, Michigan, United States

• University of Alabama at Birmingham — Birmingham, Alabama, United States
• Children's Oncology Group — Arcadia, California, United States
• Loma Linda University Medical Center — Loma Linda, California, United States
• Children's Hospital Colorado — Aurora, Colorado, United States

Not specified