Gastrointestinal Neoplasms

• Tripler Army Medical Center — Honolulu, Hawaii, United States

• National Institutes of Health Clinical Center, 9000 Rockville Pike — Bethesda, Maryland, United States
• Hershey Medical Center — Hershey, Pennsylvania, United States
• University of Pittsburgh — Pittsburgh, Pennsylvania, United States

• Eastern Cooperative Oncology Group — Boston, Massachusetts, United States

• Department of Surgery , SOON CHUN HYANG UNIVESITY HOSPITAL — Bucheon-si, South Korea
• Keimyung University Dongsan Medical Center — Daegu, South Korea
• Copyright National Cancer Center — Goyang-si, South Korea
• Chonnam National University Hwasun Hospital — Hwasun, South Korea

• Jesse Brown VA Medical Center, Chicago, IL — Chicago, Illinois, United States
• VA Pittsburgh Healthcare System University Drive Division, Pittsburgh, PA — Pittsburgh, Pennsylvania, United States
• Michael E. DeBakey VA Medical Center, Houston, TX — Houston, Texas, United States

• Cancer Prevention and Research Institute, ISPO — Florence, FI, Italy

Not specified

• Arkansas Children's Hospital — Little Rock, Arkansas, United States
• City of Hope — Duarte, California, United States
• Cedars-Sinai Outpatient Cancer Center — Los Angeles, California, United States
• Stanford University — Palo Alto, California, United States

• Groupement Hospitalier Sud - Service de Médecine Gériatrique — Pierre-Bénite, France

Not specified