1. Department of Otolaryngology—Head and Neck Surgery Ascension Macomb‐Oakland Hospital Madison Heights Michigan U.S.A.
2. Michigan Ear Institute Farmington Hills Michigan U.S.A.
3. Department of Otolaryngology—Head and Neck Surgery Wake Forest University School of Medicine Winston‐Salem North Carolina U.S.A.
4. Department of Otolaryngology—Head and Neck Surgery McLaren Oakland Hospital Pontiac Michigan U.S.A.