1. College of Nursing, Kaohsiung Medical University, Kaohsiung, Taiwan
2. Department of Nursing, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
3. Division of Nephrology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
4. Chang Gung University College of Medicine, Taoyuan, Taiwan
5. College of Nursing, Department of Medical Research, Kaohsiung Medical University, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan