1. Graduate Institute of Clinical Medical Sciences; Chang Gung University; Taoyuan Taiwan
2. Department of Nursing; Yuanpei University of Medical Technology; Hsinchu Taiwan
3. Department of Nursing; National Taichung University of Science and Technology; Taichung Taiwan
4. School of Nursing; Chang Gung University; Taoyuan Taiwan
5. Department of Nursing; Chang Gung Memorial Hospital at Kaohsiung; Kaohsiung Taiwan
6. Division of Hematology-Oncology; Chang Gung Memorial Hospital at Linkou; Taoyuan Taiwan