About the Authors

Shohei Okamoto

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Visualization, Writing – original draft, Writing – review & editing

sokamoto@tmig.or.jp

Affiliations Research Team for Social Participation and Community Health, Tokyo Metropolitan Institute of Gerontology, Itabashi-ku, Tokyo, Japan, Institute for Global Health Policy Research, National Center for Global Health and Medicine, Shinjuku-ku, Tokyo, Japan, Research Center for Financial Gerontology, Institute for Economics Studies, Keio University, Minato-ku, Tokyo, Japan

Kohei Komamura

Roles Conceptualization, Writing – review & editing

Affiliations Research Center for Financial Gerontology, Institute for Economics Studies, Keio University, Minato-ku, Tokyo, Japan, Faculty of Economics, Keio University, Minato-ku, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.