Esophageal Neoplasms

• Cancer Hospital Chinese Academy of Medical Sciences — Beijing, Beijing Municipality, China
• Beijing Cancer Hospital — Beijing, Beijing Municipality, China
• Chongqing Cancer Hospital — Chongqing, Chongqing Municipality, China
• Fujian Cancer Hospital — Fuzhou, Fujian, China

• Inst. Alexander Fleming — Buenos Aires, Argentina
• Centro Oncologico Riojano Integral (CORI) — La Rioja, Argentina
• Hospital das Clinicas - UFRGS — Porto Alegre, Rio Grande do Sul, Brazil
• Instituto do Cancer do Estado de Sao Paulo - ICESP — São Paulo, Brazil

• National Taiwan University Hospital — Taipei, Taiwan

• The 2nd affiliated hospital of Bengbu medical University — Bengbu, Anhui, China
• The 2nd people's hospital of Anhui province — Hefei, Anhui, China
• Fujian Cancer Hospital & Fujian Medical University Cancer Hospital — Fuzhou, Fujian, China
• The 1st affiliated hospital of Xiamen University — Xiamen, Fujian, China

• Hebei General Hospital — Shijiazhuang, Hebei, China

• HealthONE Clinic Services Oncology-Hematology — Denver, Colorado, United States
• Tennessee Oncology, PLLC — Nashville, Tennessee, United States
• The University of Texas M. D. Anderson Cancer Center — Houston, Texas, United States
• Washington University School of Medicine — Seattle, Washington, United States

• Guangdong Provincial People's Hospital — Guangzhou, Guangdong, China
• Union Hospital, Tongji Medical College, Huazhong University of Science and Technology — Wuhan, Hubei, China
• Jiangsu Province Hospital — Nanjing, Jiangsu, China

• Sichuan Cancer Hospital and Institute — Chengdu, Sichuan, China

• Army Medical Center of the People's Liberation Army — Chongqing, Chongqing Municipality, China

Not specified