1. Department of Otolaryngology–Head & Neck Surgery, School of Medicine, Oregon Health & Science University, Portland
2. School of Medicine, Oregon Health & Science University, Portland
3. Department of Otorhinolaryngology–Head & Neck Surgery, University of Pennsylvania, Philadelphia
4. Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston
5. Department of Otolaryngology–Head & Neck Surgery, College of Medicine, The Ohio State University, Columbus
6. Department of Otolaryngology–Head & Neck Surgery, Henry Ford Health System, Detroit, Michigan
7. Head & Neck Cancer Center of Texas, Dallas
8. Department of Otolaryngology–Head & Neck Surgery, Jefferson University Hospitals, Philadelphia, Pennsylvania