About the Authors

Kenichi Asano

kenichi.asano1225@gmail.com

Affiliation Research Center for Child Mental Development, Chiba University, Chiba, Japan

Masao Tsuchiya

Affiliation Occupational Stress Research Group, National Institute of Occupational Safety and Health, Kawasaki, Japan

Ikuo Ishimura

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

Shuzhen Lin

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

Yuki Matsumoto

Current address: Human Life Sciences, Tokushima Bunri University, Tokushima, Japan

Affiliation Research Center for Child Mental Development, Chiba University, Chiba, Japan

Haruko Miyata

Affiliation Research Center for Child Mental Development, Chiba University, Chiba, Japan

Yasuhiro Kotera

Affiliation Online Learning, University of Derby, Derby, United Kingdom

Eiji Shimizu

Affiliation Research Center for Child Mental Development, Chiba University, Chiba, Japan

Paul Gilbert

Affiliation College of Health and Social Care Research Centre, University of Derby, Derby, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: KA. Data curation: KA. Formal analysis: KA. Funding acquisition: KA. Investigation: KA II. Methodology: KA MT. Project administration: KA. Resources: SL YM HM YK PG. Software: KA. Supervision: ES PG. Validation: MT YM YK PG. Visualization: KA. Writing – original draft: KA. Writing – review & editing: KA MT SL YM.