1. Department of Otorhinolaryngology‐Head and Neck Surgery Taipei Veterans General Hospital Taipei Taiwan
2. Department of Otorhinolaryngology, School of Medicine National Yang Ming Chiao Tung University Taipei Taiwan
3. School of Medicine National Yang Ming Chiao Tung University Taipei Taiwan
4. Department of Otolaryngology‐Head and Neck Surgery Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation New Taipei City Taiwan
5. School of Medicine Tzu Chi University Hualien Taiwan