About the Authors

Motoki Watabe

Contributed equally to this work with: Motoki Watabe, Takahiro A. Kato

motokiw@gmail.com (MW); takahiro@npsych.med.kyushu-u.ac.jp (TAK)

Affiliations School of Business, Monash University, Malaysia, Jalan Lagoon Selatan, 46150 Bandar Sunway, Selangor Darul Ehsan 46150, Malaysia, Organization for Japan-US studies, Waseda University, Building No 120. 513, Waseda Tsurumaki-cho, Shinjuku-ku, Tokyo 1620041, Japan

Takahiro A. Kato

Contributed equally to this work with: Motoki Watabe, Takahiro A. Kato

motokiw@gmail.com (MW); takahiro@npsych.med.kyushu-u.ac.jp (TAK)

Affiliations Department of Neuropsychiatry, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi Higashi-ku, Fukuoka 8128582, Japan, Brain Research Unit, Innovation Center for Medical Redox Navigation, Kyushu University, 3-1-1 Maidashi Higashi-ku, Fukuoka 8128582, Japan

Alan R. Teo

Affiliations VA Portland Health Care System, 3710 SW US Veterans Hospital Road (R&D 66), Portland, Oregon 97239, United States of America, Department of Psychiatry, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd, Portland, Oregon 97239, United States of America

Hideki Horikawa

Affiliation Department of Neuropsychiatry, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi Higashi-ku, Fukuoka 8128582, Japan

Masaru Tateno

Affiliation Department of Neuropsychiatry, Sapporo Medical University, South 1, West 16, Chuo-ku, Sapporo 0608543, Japan

Kohei Hayakawa

Affiliation Department of Neuropsychiatry, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi Higashi-ku, Fukuoka 8128582, Japan

Norihiro Shimokawa

Affiliation Department of Neuropsychiatry, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi Higashi-ku, Fukuoka 8128582, Japan

Shigenobu Kanba

Affiliation Department of Neuropsychiatry, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi Higashi-ku, Fukuoka 8128582, Japan

Competing Interests

The authors have declared that no competing interest exist.

Author Contributions

Conceived and designed the experiments: MW TAK ART MT SK. Performed the experiments: MW TAK HH KH NS. Analyzed the data: MW TAK ART. Contributed reagents/materials/analysis tools: MW TAK ART. Wrote the paper: MW TAK ART MT SK.