About the Authors

Akiko Nanri

nanri@ri.ncgm.go.jp

Affiliation Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan

Tohru Nakagawa

Affiliation Hitachi, Ltd., Ibaraki, Japan

Keisuke Kuwahara

Affiliations Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan, Teikyo University, Graduate School of Public Health, Tokyo, Japan

Shuichiro Yamamoto

Affiliation Hitachi, Ltd., Ibaraki, Japan

Toru Honda

Affiliation Hitachi, Ltd., Ibaraki, Japan

Hiroko Okazaki

Affiliation Mitsui Chemicals, Inc., Tokyo, Japan

Akihiko Uehara

Affiliation YAMAHA CORPORATION, Shizuoka, Japan

Makoto Yamamoto

Affiliation YAMAHA CORPORATION, Shizuoka, Japan

Toshiaki Miyamoto

Affiliation Nippon Steel & Sumitomo Metal Corporation Kimitsu Works, Chiba, Japan

Takeshi Kochi

Affiliation Furukawa Electric Co., Ltd., Tokyo, Japan

Masafumi Eguchi

Affiliation Furukawa Electric Co., Ltd., Tokyo, Japan

Taizo Murakami

Affiliation Mizue Medical Clinic, Keihin Occupational Health Center, Kanagawa, Japan

Chii Shimizu

Affiliation Mizue Medical Clinic, Keihin Occupational Health Center, Kanagawa, Japan

Makiko Shimizu

Affiliation Mizue Medical Clinic, Keihin Occupational Health Center, Kanagawa, Japan

Kentaro Tomita

Affiliation Mitsubishi Plastics, Inc., Tokyo, Japan

Satsue Nagahama

Affiliation All Japan Labour Welfare Foundation, Tokyo, Japan

Teppei Imai

Affiliation Azbil Corporation, Tokyo, Japan

Akiko Nishihara

Affiliation Azbil Corporation, Tokyo, Japan

Naoko Sasaki

Affiliation Mitsubishi Fuso Truck and Bus Corporation, Kanagawa, Japan

Ai Hori

Affiliation Department of Safety and Health, Tokyo Gas Co., Ltd., Tokyo, Japan

Nobuaki Sakamoto

Affiliation Health Design Inc., Tokyo, Japan

Chihiro Nishiura

Affiliation Department of Safety and Health, Tokyo Gas Co., Ltd., Tokyo, Japan

Takafumi Totsuzaki

Affiliation Mizuho Health Insurance Society, Tokyo, Japan

Noritada Kato

Affiliation Fuji Electric Co., Ltd., Kanagawa, Japan

Kenji Fukasawa

Affiliation ADVANTAGE Risk Management Co., Ltd., Tokyo, Japan

Hu Huanhuan

Affiliation Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan

Shamima Akter

Affiliation Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan

Kayo Kurotani

Affiliation Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan

Isamu Kabe

Affiliation Furukawa Electric Co., Ltd., Tokyo, Japan

Tetsuya Mizoue

Affiliation Department of Epidemiology and Prevention, Center for Clinical Sciences, National Center for Global Health and Medicine, Tokyo, Japan

Tomofumi Sone

Affiliation National Institute of Public Health, Saitama, Japan

Seitaro Dohi

Affiliation Mitsui Chemicals, Inc., Tokyo, Japan

for the Japan Epidemiology Collaboration on Occupational Health Study Group

Membership of the Japan Epidemiology Collaboration on Occupational Health Study Group is provided in the Acknowledgments.

Competing Interests

T. Nakagawa, S. Yamamoto, and T. Honda belong to Hitachi, Ltd.; H. Okazaki and S. Dohi, Mitsui Chemicals, Inc.; A. Uehara and M. Yamamoto, YAMAHA CORPORATION; T. Miyamoto, Nippon Steel & Sumitomo Metal Corporation Kimitsu Works; T. Kochi, M. Eguchi, and I. Kabe, Furukawa Electric Co., Ltd.; T. Murakami, C. Shimizu, and M. Shimizu, Mizue Medical Clinic, Keihin Occupational Health Center; K. Tomita, Mitsubishi Plastics, Inc.; S. Nagahama, All Japan Labour Welfare Foundation; T. Imai and A. Nishihara, Azbil Corporation; N. Sasaki, Mitsubishi Fuso Truck and Bus Corporation; A. Hori and C. Nishiura, Tokyo Gas Co., Ltd.; N. Sakamoto, Health Design Inc.; T. Totsuzaki, Mizuho Health Insurance Society; N. Kato, Fuji Electric Co., Ltd.; K. Fukasawa, ADVANTAGE Risk Management Co., Ltd. T. Nakagawa, S. Yamamoto, T. Honda, H. Okazaki, S. Dohi, A. Uehara, M. Yamamoto, T. Miyamoto, T. Kochi, M. Eguchi, I. Kabe, T. Murakami, C. Shimizu, M. Shimizu, K. Tomita, S. Nagahama, T. Imai, A. Nishihara, N. Sasaki, A. Hori, C. Nishiura, N. Sakamoto, T. Totsuzaki, N. Kato, and K. Fukasawa are the health professionals in each participating company. All authors declare no conflict of interest, patents, products in development or marketed products etc. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: SD T. Mizoue. Performed the experiments: A. Nanri K. Kuwahara K. Kurotani T. Mizoue. Analyzed the data: A. Nanri HH. Contributed reagents/materials/analysis tools: TN SY TH HO AU MY T. Miyamoto TK ME T. Murakami CS MS KT SN TI A. Nishihara N. Sasaki IK SD. Drafted the plan for the data analyses: A. Nanri K. Kuwahara SN AH N. Sakamoto CN TT NK KF HH SA K. Kurotani T. Mizoue TS SD. Interpretation of the results and revision of the manuscript: A. Nanri TN K. Kuwahara SY TH HO AU MY T. Miyamoto TK ME T. Murakami CS MS KT SN TI A. Nishihara N. Sasaki AH N. Sakamoto CN TT NK KF HH SA K. Kurotani IK T. Mizoue TS SD. Wrote the paper: A. Nanri. Conducted data collection: A. Nanri K. Kuwahara K. Kurotani T. Mizoue.