1. Department of Nursing, Taoyuan Chang Gung Memorial Hospital, Taoyuan City 33372, Taiwan
2. Department of Nursing, Chang Gung University of Science and Technology, Taoyuan City 33302, Taiwan
3. Kidney Research Center, Department of Nephrology, Chang Gung Memorial Hospital; Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan City 33302, Taiwan
4. Graduate Institute of Health Care, Chang Gung University of Science and Technology, Taoyuan City 33302, Taiwan
5. Hemodialysis Unit, Taoyuan Chang Gung Memorial Hospital, Taoyuan City 33372, Taiwan