Carcinoma, Squamous Cell

• Cancer Center and Beckman Research Institute, City of Hope — Duarte, California, United States
• USC/Norris Comprehensive Cancer Center and Hospital — Los Angeles, California, United States
• University of California Davis Cancer Center — Sacramento, California, United States

• New York Weill Cornell Cancer Center at Cornell University — New York, United States

• Memorial Sloan-Kettering Cancer Center — New York, United States

• University of Virginia Cancer Center at UV Health System — Charlottesville, Virginia, United States

• Dana-Farber Cancer Institute — Boston, Massachusetts, United States

• Cooper Cancer Institute — Camden, New Jersey, United States
• Kimball Medical Center — Lakewood, New Jersey, United States
• Monmouth Medical Center — Long Branch, New Jersey, United States

• University of Alabama, Birmingham — Birmingham, Alabama, United States
• University of Arkansas for Medical Sciences — Little Rock, Arkansas, United States
• H. Lee Moffitt Cancer Center & Research Institute — Tampa, Florida, United States
• University of Chicago — Chicago, Illinois, United States

Not specified

• Centre Jean Perrin — Clermont-Ferrand, France
• Centre Alexis Vautrin — Nancy, France
• Institut Gustave Roussy — Villejuif, France

• Mayo Clinic in Arizona — Scottsdale, Arizona, United States
• Stanford Cancer Institute Palo Alto — Palo Alto, California, United States
• The Medical Center of Aurora — Aurora, Colorado, United States
• Boulder Community Foothills Hospital — Boulder, Colorado, United States