Georgia Nasal and Sinus Institute, Savannah, Georgia, United States
KK Women's and Children's Hospital Singapore, Singapore, Singapore
Covidien, Bedford, Massachusetts, United States
Spartanburg ENT, Spartanburg, South Carolina, United States
Rockside Road Surgery Center, Independence, Ohio, United States
West Virginia University, Morgantown, West Virginia, United States
Bay Area ENT, Biloxi, Mississippi, United States
Ear Medical Group, San Antonio, Texas, United States
Yale University School of Medicine, New Haven, Connecticut, United States
Los Angeles County/University of Southern California Medical Center, Los Angeles, California, United States
Cook County Hospital, Chicago, Illinois, United States
Pius Clinic, Oldenburg, Germany