1. Department of Biomedical Sciences Humanitas University Milan Italy
2. Otorhinolaryngology Unit IRCCS Humanitas Research Hospital Milan Italy
3. Department of Otorhinolaryngology, Severance Hospital Yonsei University College of Medicine Seoul Republic of Korea
4. Department of Otolaryngology, Head and Neck Surgery Stanford University Medical Center Stanford California USA
5. School of Medicine National Yang‐Ming University Taipei Taiwan
6. Department of Speech Language Pathology & Audiology Chung Shan Medical University Taichung Taiwan
7. Department of Otolaryngology‐Head & Neck Surgery Taichung Veterans General Hospital Taichung Taiwan