Esophageal Neoplasms

• Centre Paul Papin — Angers, France
• Centre Hospitalier Universitaire — Brest, France
• Centre François BACLESSE — Caen, France
• Centre Oscar Lambret — Lille, France

• Roswell Park Cancer Institute — Buffalo, New York, United States

• Credit Valley Hospital Statistical Centre — Credit Valley, Ontario, Canada
• Chinese Academy of Medical Sciences — Beijing, Beijing Municipality, China
• University of Zagreb Clinical Hospital — Zagreb, City of Zagreb, Croatia
• Tata Memorial Hospital — Mumbai, Parel, India

• Huntsman Cancer Institute at University of Utah — Salt Lake City, Utah, United States

• MBCCOP - Gulf Coast — Mobile, Alabama, United States
• CCOP - Greater Phoenix — Phoenix, Arizona, United States
• Veterans Affairs Medical Center - Phoenix (Hayden) — Phoenix, Arizona, United States
• Veterans Affairs Medical Center - Tucson — Tucson, Arizona, United States

• Beth Israel Deaconess Medical Center — Boston, Massachusetts, United States

Not specified

• 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

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