1. Division of Otolaryngology, Harvard Medical School, Massachusetts Eye and Ear Infirmary, Boston, MA, USA, and Division of Head and Neck Surgery, Southern California Permanente Medical Group, Los Angeles Medical Center, Los Angeles, CA, USA
2. Division of Otology, Harvard Medical School, Massachusetts Eye and Ear Infirmary, Boston, MA, USA
3. ENT and Allergy Associates, Englewood, NJ, USA
4. Sackler School of Medicine, New York State/American Program, New York, NY, USA
5. Division of General Otolaryngology and Endocrine Surgery, Harvard Medical School, Massachusetts Eye and Ear Infirmary, Boston, MA, USA