About the Authors

Keita Kinoshita

Roles Conceptualization, Formal analysis, Investigation, Writing – original draft

Affiliations Department of Active Life Promotion Sciences, Graduate School of Medicine, Hirosaki University, Aomori, Japan, Health & Wellness Products Research Laboratories, Kao Corporation, Tokyo, Japan, Department of Social Medicine, Graduate School of Medicine, Hirosaki University, Aomori, Japan

Naoki Ozato

Roles Conceptualization, Writing – review & editing

Affiliations Department of Active Life Promotion Sciences, Graduate School of Medicine, Hirosaki University, Aomori, Japan, Health & Wellness Products Research Laboratories, Kao Corporation, Tokyo, Japan

Tohru Yamaguchi

Roles Data curation, Investigation, Methodology, Writing – review & editing

Affiliation Health & Wellness Products Research Laboratories, Kao Corporation, Tokyo, Japan

Kenta Mori

Roles Investigation, Writing – review & editing

Affiliation Health & Wellness Products Research Laboratories, Kao Corporation, Tokyo, Japan

Yoshihisa Katsuragi

Roles Conceptualization, Funding acquisition, Writing – review & editing

Affiliations Department of Active Life Promotion Sciences, Graduate School of Medicine, Hirosaki University, Aomori, Japan, Health & Wellness Products Research Laboratories, Kao Corporation, Tokyo, Japan

Takuji Yasukawa

Roles Investigation, Writing – review & editing

Affiliation Department of Preemptive Medicine, Innovation Center of Health Promotion, Graduate School of Medicine, Hirosaki University, Hirosaki, Japan

Koichi Murashita

Roles Funding acquisition, Writing – review & editing

Affiliation COI Research Initiatives Organization, Graduate School of Medicine, Hirosaki University, Aomori, Japan

Shigeyuki Nakaji

Roles Funding acquisition, Project administration, Supervision, Writing – review & editing

Affiliation Department of Social Medicine, Graduate School of Medicine, Hirosaki University, Aomori, Japan

Kazushige Ihara

Roles Investigation, Project administration, Writing – review & editing

ihara@hirosaki-u.ac.jp

Affiliation Department of Social Medicine, Graduate School of Medicine, Hirosaki University, Aomori, Japan

Competing Interests

I have read the journal’s policy and the authors of this manuscript have the following competing interests: authors K.K., N.O., T.Y., K.M., and Y.K. are employees of Kao Corporation (Tokyo, Japan). All other authors declare no potential competing interests. This does not alter our adherence to PLOS ONE policies on sharing data and materials.