1. Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA
2. Price School of Public Policy, University of Southern California, Los Angeles, CA, USA
3. Suzanne Dworak-Peck School of Social Work, University of Southern California, Los Angeles, CA, USA
4. Edward R. Roybal Institute on Aging, University of Southern California, Los Angeles, CA, USA
5. College of Social Science, University of California, Los Angeles, Los Angeles, CA, USA
6. School of Law, Shanghai Lixin University of Accounting and Finance, Shanghai, China