Sinusitis

• Sinai university — Cairo, Egypt

Not specified

• Sacramento Ear, Nose & Throat Site Number : 8400010 — Roseville, California, United States
• Bensch Clinical Research LLC Site Number : 8400015 — Stockton, California, United States
• Colorado Allergy and Asthma Centers, PC Site Number : 8400003 — Denver, Colorado, United States
• University of Missouri Health System Site Number : 8400016 — Columbia, Missouri, United States

• Hospital Al-Sultan Abdullah, Universiti Teknologi MARA, Jalan Hospital, UiTM Sungai Buloh Campus — Sungai Buloh, Selangor, Malaysia

• Saint-Joseph University of Beirut — Beirut, Lebanon

• Okanegan Clinical Trials — Kelowna, British Columbia, Canada
• Richmond Clinical Trials (Okanagan Clinical Trials Satelite Site) — Richmond, British Columbia, Canada
• Cliantha Research — Mississauga, Ontario, Canada
• Clinical Research of Ontario — Scarborough Village, Ontario, Canada

• Helsinki University Hospital Ear Clinic — Helsinki, Uusimaa, Finland

• Dr. med. Georg Krueckels — Aachen, Germany
• Dr. med. Martin Sondermann — Aachen, Germany
• Dr. med. Norbert Pasch — Aachen, Germany
• Peter Hinterkausen — Cologne, Germany

• Johns Hopkins University School of Medicine — Baltimore, Maryland, United States

• UC San Diego — La Jolla, California, United States