Carcinoma, Squamous Cell

• Indiana University Simon Cancer Center — Indianapolis, Indiana, United States
• University of Michigan Comprehensive Cancer Center — Ann Arbor, Michigan, United States
• Vanderbilt University — Nashville, Tennessee, United States

• Institut Bergonie — Bordeaux, France

• Medical University of South Carolina — Charleston, South Carolina, United States

• M D Anderson Cancer Center — Houston, Texas, United States

• Peking University Cancer Hospital — Beijing, Beijing Municipality, China

• Research Site — Beppu-shi, Japan
• Research Site — Chūōku, Japan
• Research Site — Kashiwa, Japan
• Research Site — Kitaadachi-gun, Japan

• Dana-Farber Cancer Institute — Boston, Massachusetts, United States
• Montefiore Medical Center — The Bronx, New York, United States

Not specified

• Centre Oscar Lambret — Lille, France
• Institut J. Paoli and I. Calmettes — Marseille, France
• CHU de la Timone — Marseille, France
• Centre Regional de Lutte Contre le Cancer - Centre Val d'Aurelle — Montpellier, France

• Centre Jean Perrin — Clermont-Ferrand, France
• Hopital Jean Monnet — Épinal, France
• CRLCC Nantes - Atlantique — Nantes-Saint Herblain, France
• Centre Hospitalier Universitaire Bretonneau de Tours — Tours, France