1. NewCourtland Center for Transitions and Health, Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA
2. Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA
3. School of Nursing, James Madison University, Harrisonburg, VA 22807, USA
4. Gerontology, Western Colorado Community College, Grand Junction, CO 81505, USA
5. Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, GA 30322, USA