1. Department of Head and Neck Surgery Kaiser Permanente Oakland Medical Center Oakland California U.S.A.
2. Department of Otolaryngology‐Head and Neck Surgery Icahn School of Medicine at Mount Sinai New York New York U.S.A.
3. Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania U.S.A.
4. School of Medicine University of California Irvine Irvine California U.S.A.