1. St.Marianna University School of Medicine, Otorhinolaryngology
2. National Defense Medical College, Otorhinolaryngology
3. Kitasato University Hospital, Otorhinolaryngology・Head and neck surgery
4. Kitasato University, School of allied health sciences
5. Ogihara otorhinolaryngology
6. Kitasato University Hospital, Rehabilitation department
7. Japanese Red Cross Sagamihara Hospital