1. Department of Otolaryngology-Head & Neck Surgery; Johns Hopkins University School of Medicine; Baltimore Maryland
2. the Sean Parker Institute for the Voice, Department of Otolaryngology-Head & Neck Surgery, Weill Cornell Medical College; New York New York
3. College of Physicians & Surgeons, Columbia University; New York New York
4. Department of Pathology & Laboratory Medicine; Weill Cornell Medical College; New York New York