About the Authors

Jung Ki Kim

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

jungk@usc.edu

Affiliation Davis School of Gerontology, University of Southern California, Los Angeles, California, United States of America

Eileen M. Crimmins

Roles Funding acquisition, Investigation, Methodology, Resources, Supervision, Writing – review & editing

Affiliation Davis School of Gerontology, University of Southern California, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.