1. Department of Nursing, Fooyin University, Kaohsiung, Taiwan
2. College of Nursing, Kaohsiung Medical University, Kaohsiung, Taiwan
3. Center for Long-term Care Research, Kaohsiung Medical University, Kaohsiung, Taiwan
4. Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
5. Department of Family Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
6. College of Medicine, Chang Gung University
7. Department of Education and Psychology, University of Dubuque, Dubuque, Iowa, USA