1. School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
2. School of Post-Baccalaureate Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City, Taiwan
3. Division of Plastic Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
4. Department of Orthopedic Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.