About the Authors

Wakako Umene-Nakano

wakako-u@med.uoeh-u.ac.jp

Affiliation Department of Psychiatry, University of Occupational and Environmental Health, Kitakyushu, Japan

Takahiro A. Kato

Affiliations Department of Neuropsychiatry, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan, Innovation Center for Medical Redox Navigation, Kyushu University, Fukuoka, Japan

Saya Kikuchi

Affiliation Department of Psychiatry, Tohoku University, Graduate School of Medicine, Sendai, Japan

Masaru Tateno

Affiliation Department of Neuropsychiatry, Sapporo Medical University, Sapporo, Japan

Daisuke Fujisawa

Affiliation Psycho-Oncology Division, Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa, Japan

Tsutomu Hoshuyama

Affiliations Department of Environmental Epidemiology, University of Occupational and Environmental Health, Kitakyushu, Japan, Ushibuka City Hospital, Ushibuka, Amakusa, Japan

Jun Nakamura

Affiliation Department of Psychiatry, University of Occupational and Environmental Health, Kitakyushu, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WU-N TAK SK MT DF TH JN. Performed the experiments: WU-N. Analyzed the data: WU-N TH. Contributed reagents/materials/analysis tools: WU-N TH. Wrote the paper: WU-N TAK SK MT DF TH JN.