1. Department of Health Policy and Management, Korea University , Seoul , Republic of Korea
2. Interdisciplinary Program in Precision Public Health, Korea University , Seoul , Republic of Korea
3. Center for Demography of Health and Aging, University of Wisconsin-Madison , Madison, WI , USA
4. Department of Educational Policy Studies, University of Wisconsin-Madison , Madison, WI , USA
5. National Institute of Social Development, Chinese Academy of Social Sciences , Beijing , China