1. Institute for Social Research, University of Michigan , Ann Arbor, Michigan , USA
2. Department of Sociology, Johns Hopkins University , Baltimore, Maryland , USA
3. Department of Sociology, University of California, Los Angeles , Los Angeles, California , USA
4. Department of Human Development and Family Sciences, University of Texas at Austin , Austin, Texas , USA
5. Department of Sociology, Bowling Green State University , Bowling Green, Ohio , USA
6. Department of Sociology, University of Western Ontario , London, Ontario , Canada
7. Office of Population Research, Princeton University , Princeton, New Jersey , USA
8. Department of Psychiatry, University of Michigan , Ann Arbor, Michigan , USA
9. Department of Sociology, Ohio State University , Columbus, Ohio , USA
10. Brooks School of Public Policy and Department of Sociology, Cornell University , Ithaca, New York , USA
11. Department of Economics, Wayne State University , Detroit, Michigan , USA
12. Department of Public Administration and International Affairs, Syracuse University , Syracuse, New York , USA
13. Aging Studies Institute, Syracuse University , Syracuse, New York , USA
14. Department of Health Policy and Management, Bloomberg School of Public Health, Johns Hopkins University , Baltimore, Maryland , USA
15. Department of Human Development and Family Studies, Pennsylvania State University , University Park, Pennsylvania , USA