1. Department of Otolaryngology – Head and Neck Surgery, Columbia University Medical Center, New York, New York, United States
2. Department of Otolaryngology – Head and Neck Surgery, Weill Cornell Medical College, New York, New York, United States
3. Department of Head and Neck Surgery, Memorial Sloan Kettering Cancer Center, New York, New York, United States
4. Department of Neurosurgery, Memorial Sloan Kettering Cancer Center, New York, New York, United States