About the Authors

Kotaro Imamura

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

Norito Kawakami

nkawakami@m.u-tokyo.ac.jp

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

Toshi A. Furukawa

Affiliation Departments of Health Promotion and Human Behavior and of Clinical Epidemiology, Graduate School of Medicine/School of Public Health, Kyoto University, Kyoto, Japan

Yutaka Matsuyama

Affiliation Department of Biostatistics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

Akihito Shimazu

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

Rino Umanodan

Affiliation Kyoto Office, Health Wave Co., Ltd., Kyoto, Japan

Sonoko Kawakami

Affiliation Nippon University College of the Arts, Tokyo, Japan

Kiyoto Kasai

Affiliation Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan

Competing Interests

KI is employed part-time by Chugai Pharmaceutical Company and Medical Care Toranomon as a clinical psychologist. NK has received lecture fees from Meiji, Otsuka, EAP Consulting, Fujitsu Software Technologies, Japan Productivity Center, Occupational Health Foundation, Japan Housing Finance Agency, Aishin-Seiki, and Japan Dental Association, and consultancy fees from Sekisui Chemicals, Junpukai Health Care Center, and Osaka Chamber of Commerce and Industry. He has received royalties from Igaku-Shoin, Taishu-kan, Nanko-do, Nanzan-do, PHP Publication, and Fujitsu Software Technologies, Ltd., and research grants from The Japanese Ministry of Education, Science, and Technology, the Japanese Ministry of Health, Labor and Welfare, Fujitsu Software Technologies, Ltd., Softbank, Co., Ltd., and Japan Management Association. TAF has received lecture fees from Eli Lilly, Meiji, Mochida, MSD, Pfizer and Tanabe-Mitsubishi, and consultancy fees from Sekisui and Takeda Science Foundation. He is diplomate of the Academy of Cognitive Therapy. He has received royalties from Igaku-Shoin, Seiwa-Shoten and Nihon Bunka Kagaku-sha. The Japanese Ministry of Education, Science, and Technology, the Japanese Ministry of Health, Labor and Welfare, and the Japan Foundation for Neuroscience and Mental Health have funded his research projects. YM has received lecture fees from Union of Japanese Scientists and Engineers, EPS Co., Ltd., and statcom Co., Ltd., and consultancy fees from Zeria pharmaceutical Co., Ltd., Ono pharmaceutical Co., Ltd., Mebix Co., Ltd. He has received royalties from Igaku-Shoin and Ewanami-Shoten. AS works for Hitachi Systems, Ltd. as a part-time consultant. He is on the advisory board for Junpukai Health Care Center and Ds's Mental Health Labo. He has received royalties from Baifukan, Kawashima-shoten, Seishin-shobou, and Seiwa-Shoten. RU is employed by Health Wave, Co., Ltd. as a clinical psychologist. SK is employed by Square-Enix Co., Ltd., as a contract employee. She received scholarship from the Japan Society for the Promotion of Science, and worked part-time for Dice Creative, Co, Ltd. KK has received lecture fees from Astellas, Novartis, Eli Lilly, Otsuka, Dainippon-Sumitomo, and Yoshitomi pharmaceutical companies. He has received collaborative research grants from Astellas, Hitachi Co, and Hitachi Medical, and research grants from Yoshitomi, Dainippon-Sumitomo, Astellas, and GSK. 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: KI NK TAF. Performed the experiments: KI NK YM KK. Analyzed the data: KI NK YM. Contributed reagents/materials/analysis tools: KI NK RU SK. Wrote the paper: KI NK TAF AS.