Digestive System Neoplasms

• Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology — Wuhan, Hubei, China

• Chang Gung Memorial hospital — Taoyuan, Taiwan

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

Not specified

• Onkozentrum Zürich AG — Zurich, Canton of Zurich, Switzerland

Not specified

• Maidstone and Tunbridge Wells NHS Trust — Maidstone, Kent, United Kingdom
• Liverpool University Hospitals NHS Foundation Trust — Liverpool, Merseyside, United Kingdom
• NHS Greater Glasgow and Clyde — Glasgow, United Kingdom
• The Clatterbridge Cancer Centre NHS Foundation Trust — Liverpool, United Kingdom

• Peking University Cancer Hospital & Institute — Beijing, Beijing Municipality, China
• Fujian Provincial Hospital — Fuzhou, Fujian, China
• The First Affiliated Hospital of Xiamen University — Xiamen, Fujian, China
• People's Hospital of Ningxia Hui Autonomous Region — Yinchuan, Ningxia, China

• Ohio State University Comprehensive Cancer Center — Columbus, Ohio, United States

Not specified