1. Scripps Gerontology Center, Miami University, Oxford, Ohio, USA
2. Ross and Carol Nese College of Nursing, Adjunct Senior Research Scientist, The Polisher Research Institute at Abramson Senior Care, The Pennsylvania State University, University Park, Pennsylvania, USA
3. Department of Sociology and Gerontology, Executive Director, Scripps Gerontology Center, Miami University, Oxford, Ohio, USA