1. Department of Head and Neck Surgery David Geffen School of Medicine at the University of California Los Angeles Los Angeles California USA
2. Division of Otolaryngology‐Head and Neck Surgery The University of Connecticut School of Medicine Farmington Connecticut USA
3. Department of Biostatistics and Informatics, Colorado School of Public Health University of Colorado‐Denver Anschutz Medical Campus Aurora Colorado USA
4. Department of Otolaryngology‐Head and Neck Surgery Oregon Health and Science University Portland Oregon USA
5. Department of Otolaryngology‐Head and Neck Surgery University of Colorado School of Medicine Aurora Colorado USA