Gastrointestinal Neoplasms

• Hopital Saint Andre — Bordeaux, France
• Centre Regional Francois Baclesse — Caen, France
• Centre de Lutte Contre le Cancer Georges-Francois Leclerc — Dijon, France
• CHU Pitie-Salpetriere — Paris, France

• Centre Hospital Regional Universitaire de Limoges — Limoges, France

• Centre Paul Papin — Angers, France

• Hoag Memorial Hospital Presbyterian — Newport Beach, California, United States
• Bloomington Hospital — Bloomington, Indiana, United States
• St. Vincent Hospital and Health Care Center — Indianapolis, Indiana, United States
• Bergan Mercy Medical Center — Omaha, Nebraska, United States

• UCSD Cancer Center — La Jolla, California, United States
• University of California, Irvine — Orange, California, United States
• Palo Alto VA Health Care Systems — Palo Alto, California, United States
• The University of Chicago Medical Center — Chicago, Illinois, United States

• Cancer Institute of New Jersey at UMDNJ - Robert Wood Johnson Medical School — New Brunswick, New Jersey, United States

• All India Institute of Medical Sciences — New Delhi, National Capital Territory of Delhi, India

Not specified

• Tennessee Oncology — Nashville, Tennessee, United States

• Mayo Clinic — Rochester, Minnesota, United States