1. Department of Dementia Prevention and Therapeutics, Graduate School of Medicine, Tsu, Mie University, Mie, Japan
2. YAMAHA Music Foundation, Tokyo, Japan
3. Department of Health and Welfare, Mihama Town Hall, Mihama, Mie, Japan
4. Department of Health and Welfare, Kiho Town Hall, Kiho, Mie, Japan
5. Department of Neurosurgery, Kinan Hospital, Mihama, Japan
6. Department of Neurology, Graduate School of Medicine, Mie University, Tsu, Mie, Japan