1 School of Advanced Science and Engineering, Department of Electrical Engineering and Biosciences, Waseda University, Shinjuku-Ku, Tokyo 162-0056, Japan.
2 Laboratory for Alzheimer's Disease, Department of Life Science, Faculty of Science, Gakushuin University, Toshima-ku, Tokyo 171-8588, Japan.
3 Department of Chemistry, School of Science, The University of Tokyo, Tokyo 113-0033, Japan.
4 Department of Anatomy and Neurobiology, Nagasaki University School of Medicine, Nagasaki 852-8523, Japan.
5 Department of Functional Brain Imaging, Institute for Quantum Medical Sciences, National Institutes for Quantum Science and Technology, Chiba 263-8555, Japan.