1. Department of Communication Science & Disorders, University of Pittsburgh, Pittsburgh, Pennsylvania
2. University of Pittsburgh Voice Center, Department of Otolaryngology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
3. Department of Otolaryngology, UAB Voice Center, University of Alabama, Birmingham, Birmingham, Alabama
4. UCSF Voice and Swallowing Center, Department of Otolaryngology Head and Neck Surgery, University of California, San Francisco
5. Department of Surgery, Harvard Medical School, Boston, Massachusetts
6. Massachusetts General Hospital, Center for Laryngeal Surgery and Voice Rehabilitation, Boston, Massachusetts
7. Department of Communication Sciences and Disorders, MGH Institute of Health Professions, Boston, Massachusetts