1. Department of Surgery Shanghai Fifth People's Hospital, Fudan University Shanghai China
2. Division of Otolaryngology‐Head and Neck Surgery University of Utah Salt Lake City Utah USA
3. Department of Otorhinolaryngology Head and Neck Surgery Lebanese American University Medical Center‐Rizk Hospital Beirut Lebanon
4. Pediatric Radiology Intermountain Medical Group Salt Lake City Utah USA
5. Department of Internal Medicine‐ Epidemiology University of Utah Salt Lake City Utah USA
6. Department of Otolaryngology and Communication Enhancement Harvard Medical School Boston Massachusetts USA