1. Department of Otolaryngology-Head and Neck Surgery, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
2. Faculty of Engineering, University of Yamanashi, Kofu, Japan
3. Innovative Clinical Research Center, Kanazawa University Hospital, Japan
4. Faculty of Education, Institute of Human and Social Sciences, Kanazawa University, Japan
5. Faculty of Frontier Engineering, Institute of Science and Engineering, Kanazawa University, Japan