Head and Neck Neoplasms

• Howard University Cancer Center — Washington D.C., District of Columbia, United States
• Inova Life With Cancer — Fairfax, Virginia, United States

• USC Norris — Los Angeles, California, United States
• USC HOAG — Newport Beach, California, United States
• Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins — Baltimore, Maryland, United States
• UMASS Memorial Medical Center — Worcester, Massachusetts, United States

• Cedars-Sinai Medical Center — Los Angeles, California, United States

• Clatterbridge Cancer Centre NHS Foundation Trust — Bebington, United Kingdom

• Oslo University Hospital — Oslo, Norway

• Oral and Maxillofacial department — Lund, Skåne County, Sweden

Not specified

• University of Alabama at Birmingham — Birmingham, Alabama, United States

• Faculty of Physical Therapy — Giza, Egypt

• Eleni Papoui — Larnaca, ATHIENOU, Cyprus