Carcinoma, Squamous Cell

• The First Affiliated Hospital of Henan University of Science and Technology — Luoyang, Henan, China

• The Fifth Medical Center of PLA Ceneral Hospital — Beijing, Beijing Municipality, China

• Jingpei Li — Guangzhou, Guangdong, China

• Radiation Oncology , University of Michigan Health System — Ann Arbor, Michigan, United States

• University of Chicago — Chicago, Illinois, United States

• University Hospitals Cleveland Medical Center, Case Comprehensive Cancer Center — Cleveland, Ohio, United States

• University of Chicago Medical Center University of Chicago (16) — Chicago, Illinois, United States
• Massachusetts General Hospital SC-5 — Boston, Massachusetts, United States
• University of Texas/MD Anderson Cancer Center UT MD — Houston, Texas, United States
• University of Utah / Huntsman Cancer Institute Huntsman — Salt Lake City, Utah, United States

• University of Chicago Medical Center Dept of Onc — Chicago, Illinois, United States
• Karmanos Cancer Institute Dept of Onc — Detroit, Michigan, United States
• University of Texas/MD Anderson Cancer Center Gastrointestinal Med. Oncology — Houston, Texas, United States
• Novartis Investigative Site — Brussels, Belgium

Not specified

• OHSU Knight Cancer Institute — Portland, Oregon, United States