1. Department of Otorhinolaryngology—Head and Neck Surgery University of Pennsylvania Philadelphia Pennsylvania USA
2. Leonard Davis Institute of Health Economics University of Pennsylvania Philadelphia Pennsylvania USA
3. Department of Otolaryngology University of Pittsburgh Pittsburgh Pennsylvania USA
4. University of Pittsburgh School of Medicine Pittsburgh Pennsylvania USA
5. Department of Otolaryngology—Head and Neck Surgery University of Michigan Ann Arbor Michigan USA
6. Department of Otolaryngology—Head and Neck Surgery West Virginia University Morgantown West Virginia USA
7. Department of Otolaryngology—Head and Neck Surgery University of Washington Seattle Washington USA
8. Department of Plastic Surgery The University of Texas MD Anderson Cancer Center Houston Texas USA
9. Department of Head and Neck Surgery The University of Texas MD Anderson Cancer Center Houston Texas USA
10. Department of Otolaryngology Northwell Health New York New York USA
11. Department of Otolaryngology—Head and Neck Surgery Northwestern Medicine Chicago Illinois USA
12. Department of Otolaryngology—Head and Neck Surgery Massachusetts Eye and Ear Boston Massachusetts USA
13. Department of Otolaryngology—Head and Neck Surgery Oregon Health and Science University Portland Oregon USA
14. Department of Plastic Surgery University of Pittsburgh Pittsburgh Pennsylvania USA