About the Authors

Toshi A. Furukawa

furukawa@kuhp.kyoto-u.ac.jp

Current address: Department of Health Promotion and Human Behavior, Kyoto University Graduate School of Medicine and School of Public Health, Kyoto, Japan

Affiliation Department of Psychiatry and Cognitive-Behavioral Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan

Masaru Horikoshi

Affiliation National Center of Neurology and Psychiatry, Kodaira, Japan

Norito Kawakami

Affiliation Department of Mental Health, University of Tokyo Graduate School of Medicine, Tokyo, Japan

Masayo Kadota

Affiliation Department of Psychiatry and Cognitive-Behavioral Medicine, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan

Megumi Sasaki

Affiliation Center for Education and Research on the Science of Preventive Education, Naruto University of Education, Naruto, Japan

Yuki Sekiya

Affiliation University of Tsukuba Graduate School of Comprehensive Human Science, Tsukuba, Japan

Hiroki Hosogoshi

Affiliation Faculty of Clinical Psychology, Kyoto Bunkyo University, Kyoto, Japan

Masami Kashimura

Affiliation Institute of Psychology, University of Tsukuba Graduate School of Comprehensive Human Sciences, Tsukuba, Japan

Kenichi Asano

Affiliation Faculty of Applied Psychology, Tokyo Seitoku University, Tokyo, Japan

Hitomi Terashima

Affiliation Institute of Psychology, University of Tsukuba Graduate School of Comprehensive Human Sciences, Tsukuba, Japan

Kazunori Iwasa

Affiliation Faculty of Education, Shujitsu University, Okayama, Japan

Minoru Nagasaku

Affiliation Faculty of Psychology, Surugadai University, Hanno, Japan

Louis C. Grothaus

Affiliation Group Health Research Institute, Group Health, Seattle, Washington, United States of America

on behalf of the GENKI Project

Membership of the GENKI Project is provided in the Acknowledgments.

Competing Interests

TAF has received honoraria for speaking at CME meetings sponsored by Astellas, Dai-Nippon Sumitomo, Eli Lilly, GlaxoSmithKline, Janssen, Kyorin, MSD, Meiji, Mochida, Otsuka, Pfizer, Shionogi, and Tanabe-Mitsubishi. He is on the advisory board for Sekisui Chemicals and Takeda Science Foundation. He has received royalties from Igaku-Shoin, Seiwa-Shoten, Nihon Bunka Kagaku-sha and American Psychiatric Publishing. MH is on the advisory board for Sekisui Chemicals and the Ministry of Justice. He has received royalties from Shogakukan Shueisha Production, Kangokyokai Shuppan and Kongo Shuppan. NK has received honoraria for speaking at CME meetings sponsored by GlaxoSmithKline, Eizai and Pfizer. He is on the advisory board for Sekisui Chemicals and Junpukai Health Care Center. He has received royalties from Chuo-Hoki-Shuppan, Igaku-Shoin, Kyobun-do, Life Science, Maruzen, Nanko-do, Nanzan-do, and Fujitsu Software Technologies, Ltd.. MK, MS, YS, HH, MK, KA, HT, KI, MN and LCG have received honoraria for their managerial or psychotherapeutic works or for statistical advice for the current study by Sekisui Chemicals. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: TAF MH NK. Performed the experiments: TAF MH M. Kadota MS YS HH M. Kashimura KA HT KI MN NK GP. Analyzed the data: LCG TAF. Drafted the first manuscript: TAF. Examined and critically contributed to and finally approved the manuscript: TAF MH NK M. Kadota MS YS HH M. Kashimura KA HT KI MN TF MN GP LCG.