Head and Neck Neoplasms

• Research Site — Little Rock, Arkansas, United States
• Research Site — Boston, Massachusetts, United States
• Research Site — St Leonards, Australia
• Research Site — Sherbrooke, Quebec, Canada

• Moffitt Cancer Center — Tampa, Florida, United States
• University of Chicago Comprehensive Cancer Center — Chicago, Illinois, United States
• UNC Lineberger Comprehensive Cancer Center — Chapel Hill, North Carolina, United States
• Fox Chase Cancer Center — Philadelphia, Pennsylvania, United States

Not specified

• Comprehensive Cancer Center at University of Alabama at Birmingham — Birmingham, Alabama, United States
• Mobile Infirmary Medical Center — Mobile, Alabama, United States
• University of South Alabama Cancer Research Institute — Mobile, Alabama, United States
• Jonsson Comprehensive Cancer Center at UCLA — Los Angeles, California, United States

• School of Dental Medicine, University of Zagreb — Zagreb, Croatia

• Zefen Xiao — Beijing, Beijing Municipality, China

• Department of Clinical Oncology, Prince of Wales Hospital — Hong Kong

• Erik Johnsson — Gothenburg, Sweden

• Washington University School of Medicine — St Louis, Missouri, United States

• Cancer Center of Kansas, PA - Chanute — Chanute, Kansas, United States
• Cancer Center of Kansas, PA - Dodge City — Dodge City, Kansas, United States
• Cancer Center of Kansas, PA - El Dorado — El Dorado, Kansas, United States
• Cancer Center of Kansas, PA - Kingman — Kingman, Kansas, United States