1. Harvard Medical School, Boston, MA
2. Massachusetts General Hospital Center for Laryngeal Surgery and Voice Rehabilitation, Boston
3. MGH Institute of Health Professions, Boston, MA
4. Moss Rehabilitation Research Institute, Elkins Park, PA
5. Mayo Clinic, Rochester, MN
6. University of Utah, Salt Lake City
7. University of Connecticut Medical School, Farmington
8. New York University, New York
9. University of Cincinnati, OH
10. Emory University, Atlanta, GA
11. University of Kentucky, Lexington
12. University of Wisconsin–Madison