Gastrointestinal Neoplasms

• Duke University Medical Center — Durham, North Carolina, United States

• Catharina Ziekenhuis Eindhoven — Eindhoven, Netherlands
• Leiden University Medical Center — Leiden, Netherlands
• Erasmus Medical Center Cancer Institute — Rotterdam, Netherlands

• Veteran Affairs Medical Center San Diego — San Diego, California, United States

• Universitätsklinikum Carl Gustav Carus — Dresden, Germany
• VU Medical Center — Amsterdam, NLNH, Netherlands
• Academic Medical Centre — Amsterdam, North Holland, Netherlands
• Hospital universitari Basurto — Bilbao, Spain

• Portuguese Oncology Institute - Coimbra — Coimbra, Portugal

• Academic Surgical Unit, Castle Hill Hospital — Hull, East Yorkshire, United Kingdom

• University of Connecticut Health Center — Farmington, Connecticut, United States
• Indiana University Hospital — Indianapolis, Indiana, United States

• The first affiliated hospital of Nanjing Medical University — Nanjing, Jiangsu, China

• Onze Lieve Vrouwziekenhuis — Aalst, Belgium
• ZNA Middelheim — Antwerp, Belgium
• AZ St- Lucas — Bruges, Belgium
• Erasme Hospital — Brussels, Belgium

Not specified