Digestive System Neoplasms

• Helios Klinikum Bad Saarow — Bad Saarow, Germany
• Universitätsklinikum Köln — Cologne, Germany
• Universitätsklinikum Halle (Saale) — Halle, Germany
• Medizinische Hochschule Hannover — Hanover, Germany

• UO Oncologia Medica IRCCS IRST — Meldola, FC, Italy
• Oncologia Medica PO RAVENNA; FAENZA; LUGO — Ravenna, RA, Italy

• Royal Marsden Hospital, Institute of Cancer Research — Sutton, Surrey, United Kingdom
• Guys Hospital — London, United Kingdom
• The Christie NHS Foundation Trust — Manchester, United Kingdom
• Sir Bobby Robson Cancer Trials Research Centre — Newcastle, United Kingdom

• Xuhui Central Hospital, Shanghai — Shanghai, Shanghai Municipality, China
• Zhongshan Hospital of Fudan University — Shanghai, Shanghai Municipality, China
• Shanghai Public Health Clinical Center — Shanghai, Shanghai Municipality, China
• Qingpu Branch of Zhongshan Hospital Affiliated to Fudan University — Shanghai, Shanghai Municipality, China

Not specified

• City of Hope — Duarte, California, United States
• Moffitt Cancer Center — Tampa, Florida, United States
• University of Chicago Medicine — Chicago, Illinois, United States
• Memorial Sloan Kettering Cancer Center — New York, United States

• Labcorp Clinical Research Unit Ltd. — Leeds, United Kingdom

• University Medical Center Ljubljana, Division of stomatology, Center for oral disease and periodontology — Ljubljana, Slovenija, Slovenia

• Inland Imaging — Spokane, Washington, United States

• Universitat Jaume I — Castellon, Castellón, Spain