1. Department of Otolaryngology-Head and Neck Surgery, Kobe University, Graduate School of Medicine
2. Department of Otolaryngology, Toho University Sakura Medical Center
3. Department of Otolaryngology-Head and Neck Surgery, Nagoya University Graduate School of Medicine
4. Laboratory of Rehabilitative Auditory Science, Tohoku University Graduate School of Biomedical Engineering
5. Department of Otorhinolaryngology, Faculty of Medicine, Fukuoka University
6. Kawagoe Ear Institute
7. Department of Otorhinolaryngology-Head and Neck Surgery, Shinshu University School of Medicine
8. Comprehensive Ear and Hearing Center, Department of Otolaryngology, Kobe City Medical Center General Hospital
9. Department of Otorhinolaryngology-Head and Neck Surgery, Kitasato University School of Medicine
10. Professor Emeritus of Iwate Prefectural University