1 Department of Psychiatry, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawara-cho, Sakyo-ku, Kyoto 606-8507, Japan. Electronic address: hidehiko@kuhp.kyoto-u.ac.jp.
2 Brain Science Institute, Tamagawa University, 6-1-1 Tamagawagakuen, Machida, Tokyo 194-8610, Japan. Electronic address: tetsuya@lab.tamagawa.ac.jp.