1. Department of Otolaryngology–Head and Neck Surgery Mackay Memorial Hospital Taipei Taiwan
2. Department of Audiology and Speech Language Pathology Mackay Medical College New Taipei City Taiwan
3. Department of Medicine Mackay Medical College New Taipei City Taiwan
4. Faculty of Medicine School of Medicine National Yang‐Ming University Taipei Taiwan
5. Department of Otorhinolaryngology Taipei City Hospital Renai Branch Taipei Taiwan