1. New York, NY; Sacramento, CA; Winston-Salem, NC; Indianapolis, IN; Augusta, GA
2. Voice Institute of New York
3. Center for Voice and Swallowing
4. Department of Otolaryngology-Head and Neck Surgery, UC Davis, Sacramento; the Center for Voice and Swallowing Disorders
5. Department of Otolaryngology-Head and Neck Surgery, Wake Forest University, Winston-Salem; the Department of Otolaryngology-Head and Neck Surgery
6. University of Indiana; the Center for Voice and Swallowing Disorders, Department of Otolaryngology-Head and Neck Surgery, Medical College of Georgia.