1. Department of Surgery, Chang Gung Memorial Hospital, Kaohsiung Medical Center, College of Medicine, Chang Gung University, Kaohsiung Hsien, Taiwan
2. Department of Pathology, Chang Gung Memorial Hospital, Kaohsiung Medical Center, College of Medicine, Chang Gung University, Kaohsiung Hsien, Taiwan
3. Department of Diagnostic Radiology, Chang Gung Memorial Hospital, Kaohsiung Medical Center, College of Medicine, Chang Gung University, Kaohsiung Hsien, Taiwan