1. Department of Otolaryngology – Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
2. Department of Otolaryngology – Head and Neck Surgery, The University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA.
3. Department of Otolaryngology – Head and Neck Surgery, University of Colorado-Anschutz Medical Campus, Aurora, Colorado, USA.
4. Vanderbilt University School of Medicine, Nashville, Tennessee, USA.
5. Rutgers Robert Wood Johnson Medical School, Piscataway, New Jersey, USA.
6. Department of Otolaryngology – Head and Neck Surgery, Massachusetts Eye and Ear, Boston, Massachusetts, USA.
7. Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology – Head and Neck Surgery, University of Oklahoma, Oklahoma City, Oklahoma, USA.
8. Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology, University of Tennessee Health Science Center, Memphis, Tennessee, USA.
9. Department of Otolaryngology – Head and Neck Surgery, LSU Health Sciences Center, New Orleans, Louisiana, USA.
10. Center for Facial Plastic and Reconstructive Surgery, Our Lady of the Lake Regional Medical Center, Baton Rouge, Louisiana, USA.
11. Department of Surgery, Division of Otolaryngology – Head and Neck Surgery, The University of Utah School of Medicine, Salt Lake City, Utah, USA.
12. Division of Facial Plastic and Reconstructive Surgery, Massachusetts Eye and Ear, Harvard Medical School, Boston, Massachusetts, USA.
13. Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology – Head and Neck Surgery, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
14. Division of Facial Plastic and Reconstructive Surgery, The University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA.
15. Division of Facial Plastic and Reconstructive Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA.