Eustachian Tube Dysfunction

• Cedars-Sinai Medical Center — Los Angeles, California, United States
• Sacramento Ear, Nose & Throat — Sacramento, California, United States
• Indiana University — Indianapolis, Indiana, United States
• Ochsner Health System — New Orleans, Louisiana, United States

• Cairo University — Giza, Dokki, Egypt

• Cairo University — Dokki, Giza Governorate, Egypt

• Otology Clinic, Clinic 7A, South Health Campus — Calgary, Alberta, Canada
• Sunnybrook Health Sciences Center — Toronto, Ontario, Canada

• Tampere University Hospital — Tampere, Finland

• Cedars Sinai Medical Offices East Tower — Los Angeles, California, United States

Not specified

• Phelps Hospital Northwell Health — Sleepy Hollow, New York, United States

• Sinus Center - Medical Univesity of South Carolina — Charleston, South Carolina, United States

• Cappadocia Field Site (Göreme) - On-site assessments at hot-air balloon pilot companies — Nevşehir, Göreme, Turkey (Türkiye)
• University of Health Sciences, Gaziosmanpaşa Training and Research Hospital, Department of Otorhinolaryngology-Head & Neck Surgery (ENT/Audiology Laboratory) — Istanbul, Turkey (Türkiye)