1. Department of Pediatrics, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung 80708, Taiwan.
2. Department of Pediatrics, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
3. Division of Cardiovascular Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan.
4. Department of Pediatrics, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung 80708, Taiwan.
5. Division of Cardiology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan.
6. Department of Internal Medicine, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung 80708, Taiwan.
7. Department of Pediatrics, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
8. Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.