1. Department of Surgery, Chang Gung University, Taoyuan, Taiwan.
2. Department of Traumatology and Emergency Surgery, Chang Gung University, Taoyuan, Taiwan.
3. Department of Surgery, Chang Gung Memorial Hospital, Keelung, Chang Gung University, Keelung, Taiwan.
4. Department of Nephrology, Chang Gung University, Taoyuan, Taiwan.
5. Department of Nursing, Chang Gung Memorial Hospital, Linkou, Chang Gung University, Taoyuan, Taiwan.