1. Department of Neurology, Geriatrics Research Institute Hospital, Maebashi, Aomori, Japan
2. Department of Neurology, Institute of Brain Science, Hirosaki University Graduate School of Medicine, Hirosaki, Aomori, Japan
3. Hokko Chemical Industry Co., Ltd, Atsugi-shi, Kanagawa, Japan
4. Inplanta Innovations Inc. Yokohama, Kanagawa, Japan
5. Department of Neurology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
6. Bioanalysis Department, LSI Medience Corporation, Itabashi-ku, Tokyo, Japan
7. Department of Neurology, Maebashi Red Cross Hospital, Maebashi, Japan
8. Department of Dementia and Higher Brain Function, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
9. Graduate School of Agriculture, Kyoto University, Uji, Kyoto, Japan
10. Institute of Crop Science, NARO, Tsukuba, Ibaraki, Japan
11. Tanz Centre for Research in Neurodegenerative Diseases, and Departments of Medicine, Medical Biophysics and Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada