Sinusitis

• Stanford Health Care — Stanford, California, United States
• NorthShore University Health System — Evanston, Illinois, United States
• Mayo Clinic — Rochester, Minnesota, United States
• Albert Einstein — The Bronx, New York, United States

Not specified

• ENT Associates of South Florida — Boca Raton, Florida, United States
• Johns Hopkins University — Baltimore, Maryland, United States
• Brigham and Women's Hospital — Boston, Massachusetts, United States
• Wake Research Associates — Raleigh, North Carolina, United States

• Loma Linda University Medical Center — Loma Linda, California, United States

• SF Otolaryngology — San Francisco, California, United States
• Ogden Clinic — Salt Lake City, Utah, United States

• the first affiliated hospital, Sun Yat-sen University — Guangzhou, Guangdong, China

• Texas Sinus Center — San Antonio, Texas, United States

• Entellus Medical — Plymouth, Minnesota, United States

Not specified

• Massachusetts Eye and Ear Infirmary — Boston, Massachusetts, United States