1. Division of Cardiovascular Surgery, Department of Surgery Kaohsiung Medical University Hospital Kaohsiung City Taiwan
2. Division of Thoracic Surgery, Department of Surgery Kaohsiung Medical University Hospital Kaohsiung City Taiwan
3. Department of Sports Medicine, College of Medicine Kaohsiung Medical University Kaohsiung City Taiwan
4. Ph.D. Program in Biomedical Engineering, College of Medicine Kaohsiung Medical University Kaohsiung City Taiwan