^○Victor L Villemagne (Department of Nuclear Medicine and Centre for PET, Austin Health, Australia)

^○Hitoshi Shimada (Molecular Neuroimaging Program, Molecular Imaging Center, National Institute of Radiological Sciences (NIRS), Japan)

^○Nobuyuki Okamura (Department of Pharmacology, Tohoku University School of Medicine, Japan)

^○Shigeo Murayama ¹, Yuko Saito ² (1.Department of Neurology & Neuropathology（the Brain Bank for Aging Research）, Tokyo Metropolitan Geriatric Hospital & Institute of Gerontology, Japan, 2.Department of Laboratory Medicine and Pathology, National Center of Neurology & Psychiatry Hospital, Japan)

^○Akihiko Takashima (National Center for Geriatrics and Gerontology, Japan)