1. Research Scholar, Scripps Gerontology Center, Miami University, Oxford, Ohio, USA
2. Director, Aging and Disability Business Institute, National Association of Area Agencies on Aging, Washington, DC, USA
3. Executive Director, Scripps Gerontology Center, and University Distinguished Professor, Department of Sociology & Gerontology, Miami University, Oxford, Ohio, USA
4. Assistant Professor, Health Policy and Management, University of California, Berkeley School of Public Health, Berkeley, California, USA