1. Division of Hematology-Oncology, Chang Gung Memorial Hospital at Linkou, Tao-Yuan, Taiwan.
2. Chang Gung University School of Medicine, Tao-Yuan, Taiwan.
3. Department of International Business, Soochow University, Taipei, Taiwan.
4. School of Nursing, Chang Gung University, Tao-Yuan, Taiwan.
5. Department of Nursing, Chang Gung Memorial Hospital at Kaohsiung, Kaohsiung, Taiwan.