1. Independent Research Consultant, Ardmore, PA, USA
2. Department of Sociology and Gerontology, Scripps Gerontology Center, Miami University, Oxford, OH, USA
3. Graduate School of Education, University of Pennsylvania, Philadelphia, PA, USA
4. The Pennsylvania State University, College of Nursing, University Park, PA, USA
5. Advanced Fellow in Health Services Research, Center for Innovation in Long-Term Services & Supports, Providence VA, Providence, RI, USA