Head and Neck Neoplasms

• University of California Davis Comprehensive Cancer Center — Sacramento, California, United States
• Stanford Cancer Institute — Stanford, California, United States
• University of Colorado School of Medicine — Aurora, Colorado, United States
• Denver VA Medical Center-ECHCS — Denver, Colorado, United States

Not specified

• University of Colorado Cancer Center — Aurora, Colorado, United States
• Christiana Care Health Services — Newark, Delaware, United States
• Montefiore Medical Center — The Bronx, New York, United States
• The Ohio State University Comprehensive Cancer Center — Columbus, Ohio, United States

• University Medical Center Groningen — Groningen, Netherlands

Not specified

• Massachusetts General Hospital — Boston, Massachusetts, United States
• Dana Farber Cancer Institute — Boston, Massachusetts, United States

• Stanford University School of Medicine — Stanford, California, United States

• Albert B. Chandler Medical Center, University of Kentucky — Lexington, Kentucky, United States

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

• Wake Forest University Comprehensive Cancer Center — Winston-Salem, North Carolina, United States