1. Department of Otolaryngology – Head and Neck Surgery, Harvard Medical School, Massachusetts Eye and Ear, Boston, Massachusetts
2. Department of Otolaryngology – Head and Neck Surgery, Oregon Health and Science University, Portland, Oregon
3. Department of Otolaryngology – Head and Neck Surgery, Washington University in St. Louis, St Louis, Missouri
4. Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology – Head and Neck Surgery, Washington University in St Louis, St Louis, Missouri