Head and Neck Neoplasms

• Department of Surgery, St. James's Hospital — Dublin, Ireland
• Wellcome Trust-Health Research Board Clinical Research Facility, St. James's Hospital — Dublin, Ireland

• UMC Utrecht — Utrecht, Netherlands

• Sichuan Cancer Hospital & Institute — Chengdu, Sichuan, China

• City of Hope — Duarte, California, United States
• UC San Diego Moores Cancer Center-Investigational Drug Services — La Jolla, California, United States
• UC San Diego Medical Center-La Jolla (Jacobs Medical Center/Thornton Hospital) — La Jolla, California, United States
• UC San Diego Moores Cancer Center — La Jolla, California, United States

• Republican Resear ch Center for Radiation Medicine and Human Ecology — Homyel, Belarus
• Ministry of Health Republic of Belarus — Minsk, Belarus

• Ohio State University Comprehensive Cancer Center — Columbus, Ohio, United States

Not specified

• Royal Surrey County Hospital NHS Foundation Trust — Guildford, Surrey, United Kingdom

• Universitätsklinikum Schleswig-Holstein, Campus Lübeck, Klinik für Strahlentherapie — Lübeck, Germany

• The University of Michigan Comprehensive Cancer Center — Ann Arbor, Michigan, United States
• St. Joseph Mercy Hospital — Ann Arbor, Michigan, United States
• St. Joseph Mercy Brighton Health Center — Brighton, Michigan, United States
• Brighton Center for Specialty Care — Brighton, Michigan, United States