1 Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, 160-8582 Tokyo, Japan; Faculty of Kinesiology & Physical Education, University of Toronto, 55 Harbord Street, M5S 2W6, Toronto, ON, Canada. Electronic address: sako0609@gmail.com.
2 Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, 160-8582 Tokyo, Japan; Kimel Family Translational Imaging-Genetics Laboratory, Centre for Addiction and Mental Health, 1001 Queen St W, M6J 1H4, Toronto, ON, Canada.
3 Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, 160-8582 Tokyo, Japan.
4 Department of Neuropsychiatry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, 160-8582 Tokyo, Japan; Geriatric Mental Health Program, Centre for Addiction and Mental Health, 1001 Queen St W, M6J 1H4, Toronto, ON, Canada.