1 Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, 3-1-1 Tsushima-Naka, Kita-ku, Okayama, 700-8530, Japan.
2 Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, 3-1-1 Tsushima-Naka, Kita-ku, Okayama, 700-8530, Japan. yang@okayama-u.ac.jp.
3 Section On Functional Imaging Methods, National Institute of Mental Health, Bethesda, MD, USA. yang@okayama-u.ac.jp.
4 Section On Functional Imaging Methods, National Institute of Mental Health, Bethesda, MD, USA.
5 School of Psychological and Cognitive Sciences, Peking University, Beijing, China.
6 Department of Teacher Education, Wenzhou University, Wenzhou, China.
7 School of Computer Science and Technology, Changchun University of Science and Technology, Changchun, China.
8 School of Social Welfare, Yonsei University, Seoul, Korea.
9 School of Mechatronical Engineering, Beijing Institute of Technology, Beijing, China.