| Affiliation: | 1. Department of Artificial Organs and Medical Creations, Otorhinolaryngology National Hospital Organization Tokyo Medical Center, Tokyo, Japan;2. Clinical Research Center, National Hospital Organization, Nagoya Medical Center, Nagoya, Japan;3. Department of Artificial Organs and Medical Creations, National Hospital Organization Tokyo Medical Center, Tokyo, Japan;4. Department of General Internal Medicine, National Hospital Organization Tokyo Medical Center, Tokyo, Japan;5. Department of Neurology, National Hospital Organization Tokyo Medical Center, Tokyo, Japan |
