Head and Neck Neoplasms

• 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

• herlev Hospital — Copenhagen, Denmark

• Centre Oscar Lambret — Lille, France
• Centre René Gauducheau — Nantes, France
• CHU de Tours — Tours, France

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

• Complejo Asistencial de León — León, Spain

Not specified

• 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

Not specified

• Mashad University of Medical Sciences — Mashhad, Razavi Khorasan Province, Iran