1. Center for Long-term Care Research, Kaohsiung Medical University, Kaohsiung, Taiwan
2. College of Nursing, Kaohsiung Medical University, Kaohsiung, Taiwan
3. Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
4. Department of Medical Sociology and Social Work, Kaohsiung Medical University, Kaohsiung, Taiwan
5. Department of Education and Psychology, University of Dubuque, Dubuque, IA, USA