Otorhinolaryngologic Diseases

• Department of radiotherapy(Section 5),Affiliated Cancer Hospital & Institute of Guangzhou Medical Universityedical University — Guangzhou, Guangdong, China

• Stanford University School of Medicine — Stanford, California, United States
• George Washington University — Washington D.C., District of Columbia, United States
• Indiana University — Indianapolis, Indiana, United States
• University of Iowa — Iowa City, Iowa, United States

• Beni-Suef University — Banī Suwayf, Egypt

• Marcin Straburzyński — Dźwierzuty, Warmian-Masurian Voivodeship, Poland
• Department of Neurology, Wrocław Medical University — Wroclaw, Poland

• Virtual Facility — The Bronx, New York, United States

• National Institutes of Health Clinical Center — Bethesda, Maryland, United States

• Haseki Sultangazi Training and Research Hospital — Istanbul, Sultangazi, Turkey (Türkiye)

• Copenhagen Memory Clinic, Rigshospitalet — Copenhagen, Region H, Denmark

Not specified

• Investigational Site Number 7100005 — Johannesburg, South Africa