1 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. Electronic address: 890300@ms.kmuh.org.tw.
3 Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.