Head and Neck Neoplasms

• John Wayne Cancer Institute @ Providence St. John's Health Center — Santa Monica, California, United States
• Centura Health Research Center — Denver, Colorado, United States
• George Washington University — Washington D.C., District of Columbia, United States
• Florida Hospital — Orlando, Florida, United States

• Ahmed Maher teaching Hospital — Cairo, Egypt

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

• Institute of Oncology Ljubljana — Ljubljana, Slovenia

• Hoag Memorial Hospital Presbyterian — Newport Beach, California, United States

Not specified

• Yeditepe University Hospital — Istanbul, Turkey (Türkiye)

• Cancer Hospital, Chinese Academy of Medical Sciences — Beijing, Beijing Municipality, China
• Peking Union Medical College Hospital — Beijing, Beijing Municipality, China
• Beijing Cancer Hospital — Beijing, Beijing Municipality, China
• Chinese PLA Central Hospital — Beijing, Beijing Municipality, China

• California Cancer Associates for Research and Excellence — Encinitas, California, United States
• The Angeles Clinic and Research Institute — Los Angeles, California, United States
• UCSD Moores Cancer Center — San Diego, California, United States
• MedStar Georgetown University Hospital — Washington D.C., District of Columbia, United States

• Duke University Medical Center — Durham, North Carolina, United States