1 Department of Human Development and Family Studies, College of Health and Human Development, The Pennsylvania State University, University Park, Pennsylvania. Electronic address: joannahong89@gmail.com.
2 AARP Services, Inc., Washington, District of Columbia.
5 UnitedHealth Group, Minnetonka, Minnesota; Department of Family Studies and Human Development, Iowa State University, Ames, Iowa.
6 Research for Aging Populations, OptumLabs, Ann Arbor, Michigan.
7 Global and U.S. Health Management, Mercer, New York, New York.
8 Department of Psychology, The University of British Columbia, Vancouver, British Columbia, Canada; Human Flourishing Program, Harvard's Institute for Quantitative Social Science, Harvard University, Cambridge, Massachusetts; Lee Kum Sheung Center for Health and Happiness, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.