1. Department of Head & Neck – Endocrine Oncology Moffitt Cancer Center Tampa Florida USA
2. Department of Otorhinolaryngology Medical University of South Carolina Charleston South Carolina USA
3. Department of Otolaryngology – Head and Neck Surgery University of Miami Miami Florida USA
4. Department of Otolaryngology – Head and Neck Surgery UC Davis Sacramento California USA
5. Department of Otolaryngology – Head and Neck Surgery University of Texas Medical Branch Galveston Texas USA
6. Department of Otolaryngology – Head and Neck Surgery University of Virginia Charlottesville Virginia USA
7. Department of Otolaryngology – Head and Neck Surgery George Washington University Washington, DC USA
8. Division of Otolaryngology – Head and Neck Surgery University of Oklahoma Oklahoma City Oklahoma USA