1. Department of Nursing, Chang Gung Memorial Hospital, Linkou, Taiwan, R.O.C.
2. School of Nursing, Chang Gung University of Science and Technology, Taoyuan, Taiwan, R.O.C.
3. Division of Urology Surgery, Chang Gung Memorial Hospital, Linkou, Taiwan, R.O.C.
4. Graduate Institute of Gerontology and Health Care Management, Chang Gung University of Science and Technology, Taoyuan, Taiwan, R.O.C.