Digestive System Neoplasms

• London Regional Cancer Centre — London, Ontario, Canada
• The Ottawa Hospital Cancer Center — Ottawa, Ontario, Canada
• Mount Sinai Hospital — Toronto, Ontario, Canada
• Princess Margaret Hospital — Toronto, Ontario, Canada

• East Bay Medical Oncology/Hematology Medical Associates Inc. — Antioch, California, United States
• Alta Bates Comprehensive Cancer Center — Berkeley, California, United States
• Bay Area Cancer Research Group — Concord, California, United States
• East Bay Medical Oncology/Hematology Medical Associates, Inc. — Concord, California, United States

Not specified

• Washington University — St Louis, Missouri, United States

• Fudan University, Zhongshan Hospital — Shanghai, China

• Icahn School of Medicine at Mount Sinai — New York, United States

• University of California San Francisco — San Francisco, California, United States
• Robert H. Lurie Comprehensive Cancer Center of Northwestern University — Chicago, Illinois, United States

• Mayo Clinic — Scottsdale, Arizona, United States
• Anaheim Clinical Trials — Anaheim, California, United States
• Precision Research Institute — Chula Vista, California, United States
• Precision Research Institute — San Diego, California, United States

• Cancer Center of Sun Yat-sen University — Guangzhou, Guangdong, China

• Cancer Care & Hematology Specialists of Chicagoland — Arlington Heights, Illinois, United States
• Northwestern University, Northwestern Medical Faculty Foundation — Chicago, Illinois, United States
• Hematology/Oncology Associates — Chicago, Illinois, United States
• Joliet Oncology-Hematology Associates, Ltd. — Joliet, Illinois, United States