About the Authors

Hisashi Kawai

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

hkawai@tmig.or.jp

Affiliation Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan

Manami Ejiri

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

Affiliation Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan

Harukazu Tsuruta

Roles Formal analysis, Investigation, Methodology, Supervision, Writing – review & editing

Affiliation Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan

Yukie Masui

Roles Data curation, Methodology

Affiliation Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan

Yutaka Watanabe

Roles Data curation, Investigation

Affiliations Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan, Gerodontology, Department of Oral Health Science, Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan

Hirohiko Hirano

Roles Funding acquisition, Investigation

Affiliation Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan

Yoshinori Fujiwara

Roles Investigation

Affiliation Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan

Kazushige Ihara

Roles Investigation

Affiliation Faculty of Medicine, Hirosaki University, Hirosaki city, Aomori, Japan

Masashi Tanaka

Roles Investigation, Supervision, Writing – original draft

Affiliation National Institutes of Biomedical Innovation, Health and Nutrition, Tokyo, Japan

Shuichi Obuchi

Roles Conceptualization, Funding acquisition, Investigation, Project administration, Supervision

Affiliation Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.