Digestive System Neoplasms

• Mayo Clinic-Arizona — Phoenix, Arizona, United States
• Pacific Cancer Medical Center, Inc. — Anaheim, California, United States
• The Oncology Institute of Hope and Innovation — Anaheim, California, United States
• Rocky Mountain Cancer Centers — Denver, Colorado, United States

• Yale University School of Medicine — New Haven, Connecticut, United States
• Illinois CancerCare — Peoria, Illinois, United States
• Research Medical Center — Kansas City, Missouri, United States
• Dartmouth Hitchcock Medical Center — Lebanon, New Hampshire, United States

• Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo — Tokyo, Japan

• III.Medizinische Klinik und Poliklinik, Klinikum rechts der Isar der TUM — Munich, Bavaria, Germany

Not specified

• University of Wisconsin — Madison, Wisconsin, United States

• University of Wisconsin Carbone Cancer Center — Madison, Wisconsin, United States

• Academic Medical Center, Medical Oncology — Amsterdam, Netherlands

• Institute of Clinical Pharmacology — Changsha, Hunan, China

• Gerardo Blanco-Fernández — Badajoz, Spain