1 Division of Thoracic Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, No 100, Tzyou 1st Rd, Kaohsiung 80756, Taiwan.
2 Division of Thoracic Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, No 100, Tzyou 1st Rd, Kaohsiung 80756, Taiwan. Electronic address: rockwell0111@gmail.com.
3 Division of Thoracic Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Department of Respiratory Therapy, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.