1. Department of Otolaryngology-Head & Neck Surgery Kawasaki Medical School
2. Hyo Clinic
3. Department of Otorhinolaryngology and Head and Neck Surgery, Akita University, Graduate School of Medicine
4. Department of Otolaryngology, Kitasato University Medical center
5. Division of Otorhinolaryngology-Head & Neck Surgery, Department of Sensory and Locomotor Medicine, Faculty of Medical Science, University of Fukui
6. Aichi Otorhinolaryngologists Association
7. THE OSAKA ENT ASSOCIATION
8. Otolaryngology-Head and Neck Surgery Graduate School of Medicine, Dentistry and Pharmaceutical Sciences Okayama University
9. Department of Otolaryngology-Head and Neck Surgery Ehime University, Graduate School of Medicine
10. THE Fukuoka ENT ASSOCIATION