About the Authors

Ryoko Katagiri

Affiliation Department of Social and Preventive Epidemiology, Graduate School of Medicine, the University of Tokyo, Bunkyo-ku, Tokyo, Japan

Xiaoyi Yuan

Affiliation Department of Social and Preventive Epidemiology, School of Public Health, the University of Tokyo, Bunkyo-ku, Tokyo, Japan

Satomi Kobayashi

Affiliation Department of Social and Preventive Epidemiology, School of Public Health, the University of Tokyo, Bunkyo-ku, Tokyo, Japan

Satoshi Sasaki

stssasak@m.u-tokyo.ac.jp

Affiliations Department of Social and Preventive Epidemiology, Graduate School of Medicine, the University of Tokyo, Bunkyo-ku, Tokyo, Japan, Department of Social and Preventive Epidemiology, School of Public Health, the University of Tokyo, Bunkyo-ku, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: RK. Formal analysis: RK. Investigation: RK XY. Methodology: RK. Supervision: SS. Writing – original draft: RK. Writing – review & editing: SK SS.