1. Molecular Neuroscience Research Center, Shiga University of Medical Science
2. Department of Otorhinolaryngology, Shiga University of Medical Science
3. Department of Anatomy, Shiga University of Medical Science
4. Department of Otorhinolaryngology, Head and Neck Surgery, Faculty of Medicine, Tottori University
5. Department of Otorhinolaryngology, Head and Neck Surgery, Graduate School of Medicine, University of the Ryukyus
6. Department of Otolaryngology-Head and Neck Surgery, Kyoto Prefectural University of Medicine