Fibrosarcoma

• Hospital São Carlos — Fortaleza, Ceará, Brazil
• Hospital São Rafael — Salvador, Estado de Bahia, Brazil
• Hospital Santa Cruz — Curitiba, Paraná, Brazil
• IDOR Recife — Recife, Pernambuco, Brazil

• Kaiser Permanente Oakland Medical Center — Oakland, California, United States
• William Beaumont University Hospital — Royal Oak, Michigan, United States
• The Ohio State University Wexner Medical Center — Columbus, Ohio, United States

• Fudan University Shanghai Cancer Center — Shanghai, Shanghai Municipality, China

• Sun Yat-sen University Cancer Center — Guangzhou, 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

• Suez Canal University — Ismailia, Egypt

• Washington University School of Medicine — St Louis, Missouri, United States

• Phoenix Childrens Hospital — Phoenix, Arizona, United States
• Columbia University Medical Center — New York, United States
• The Hospital for Sick Children — Toronto, Ontario, Canada
• Institute for Pediatric Hematology - Oncology, Leon Berard Cancer Center — Lyon, France

• Massachusetts General Hospital — Boston, Massachusetts, United States