1. Department of Medicine (Neurology and Rheumatology), Shinshu University School of Medicine, Matsumoto, Japan,
2. Department of Biological Sciences for Intractable Neurological Diseases, Institute for Biomedical Sciences, Shinshu University, Matsumoto, Japan,
3. Department of Dementia and Higher Brain Function, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan,
4. Department of Ophthalmology, Shinshu University School of Medicine, Matsumoto, Japan,
5. Department of Laboratory Medicine, Shinshu University School of Medicine, Matsumoto, Japan, and
6. Department of Aging Biology, Institute of Pathogenesis and Disease Prevention, Shinshu University Graduate School of Medicine, Mastumoto, Japan