1. Department of Biobehavioral Nursing Science, College of Nursing, University of Florida, Gainesville, FL, USA
2. School of Nursing, Northern Arizona University, Flagstaff, AZ, USA
3. School and Graduate Institute of Nursing, China Medical University, Taichung, China
4. Department of Aging and Geriatric Research, Institute on Aging, University of Florida, Gainesville, FL, USA
5. Department of Advanced Heart Failure and Heart Transplant, University of Florida Health, Gainesville, FL, USA
6. Department of Medicine/Oncology, University of Washington, Seattle, WA, USA