1. Department of Head and Neck Surgery; Icahn School of Medicine at Mount Sinai, New York, NY
2. Department of Otolaryngology; University of Louisville; Louisville Kentucky
3. University of Colorado School of Medicine, Aurora, CO
4. University of Caldas, Manizales; Caldas Colombia, South America
5. Mount Sinai; New York New York
6. Department of Surgery; University of Michigan; Ann Arbor Michigan
7. Department of Surgery; Imperial College of London; London United Kingdom
8. Harvard; Boston Massachusetts
9. Department of Otolaryngology; Southern Illinois University School of Medicine; Carbondale Illinois
10. Harvard Medical School; Massachusetts Eye and Ear Infirmary; Boston Massachusetts