1. Head and Neck Institute Cleveland Clinic Cleveland Ohio U.S.A.
2. Department of Otolaryngology Cedars‐Sinai Medical Center Los Angeles California U.S.A.
3. Department of Otolaryngology—Head and Neck Surgery Indiana University Indianapolis Indiana U.S.A.
4. Department of Neurosurgery Indiana University Indianapolis Indiana U.S.A.
5. Department of Neurological Surgery and Rosa Ella Burkhardt Brain Tumor and Neuro‐Oncology Center Cleveland Clinic Cleveland Ohio U.S.A.