Sarcoma, Ewing

• Shandong Cancer Hospital and Institute — Jina, Shandong, China
• Peking University People's Hospital — Beijin, China
• Peking University Shougang Hospital — Beijing, China

• Center for Pediatric Cancer, Queen Silvia Hospital for Children and Youth — Gothenburg, Sweden
• Center for Pediatric Oncology, Akademiska Hospital — Gothenburg, Sweden
• Department of Oncology, Sahlgrenska University Hospital — Gothenburg, Sweden
• Department of Hematology, Skåne University Hospital — Lund, Sweden

• Chemotherapy Div, Istituto Ortopedico Rizzoli — Bologna, Italy

Not specified

• Case Comprehensive Cancer Center, Cleveland Clinic Foundation Taussig Cancer Institute — Cleveland, Ohio, United States

• Shenzhen Geno-immune Medical Institute — Shenzhen, Guangdong, China

• Shenzhen Geno-Immune Medical Institute — Shenzhen, Guangdong, China

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

• Peking University People's Hospital, Beijing, Beijing 100044 — Beijing, China

• Dana Farber Cancer Institute — Boston, Massachusetts, United States