1. Clerk medical student, School of Medicine, College of Medical School, Kaohsiung, Medical University, Taiwan
2. Division of Pediatric Surgery, Department of Surgery, Kaohsiung Medical University, Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
3. Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung, Medical University, Kaohsiung, Taiwan