1. Department of Neurology, Japanese Red Cross Kyoto Daiichi Hospital, Japan
2. Department of Neurology, Kyoto Prefectural University of Medicine, Japan
3. Department of Neurology, Japanese Red Cross Kyoto Daini Hospital, Japan
4. Department of Rehabilitation, Japanese Red Cross Kyoto Daiichi Hospital, Japan
5. Department of Otolaryngology, Nagoya University, Japan
6. Department of Rehabilitation, Niigata University of Rehabilitation, Japan