Head and Neck Neoplasms

• Penrose Cancer Center — Colorado Springs, Colorado, United States
• University of Florida, Department of Radiation Oncology — Gainesville, Florida, United States
• University of North Carolina at Chapel Hill, Department of Radiation Oncology — Chapel Hill, North Carolina, United States
• Rex Healthcare — Raleigh, North Carolina, United States

• Behavioral Medicine Laboratory, University of Alberta — Edmonton, Alberta, Canada

• Seoul National University Hospital — Seoul, South Korea

• Johns Hopkins Suburban Hospital — Bethesda, Maryland, United States
• National Institutes of Health Clinical Center — Bethesda, Maryland, United States

• University of Florida — Gainesville, Florida, United States
• University of Florida Proton Therapy Institute — Jacksonville, Florida, United States
• University of North Carolina at Chapel Hill, Department of Radiation Oncology — Chapel Hill, North Carolina, United States
• Rex Healthcare — Raleigh, North Carolina, United States

• University Health Network — Toronto, Ontario, Canada

• National Institute of Oncology and Radiobiology (INOR) — Havana, La Habana, Cuba

• University of Alberta/ Cross Cancer Institute — Edmonton, Alberta, Canada

• Oslo University Hospital — Oslo, Norway

Not specified