1. Department of Radiation Oncology; Gyeongsang National University School of Medicine and Gyeongsang National University Hospital; Jinju South Korea
2. Institute of Health Sciences; Gyeongsang National University; Jinju South Korea
3. Department of Radiation Oncology; Gyeongsang National University School of Medicine and Gyeongsang National University Changwon Hospital; Changwon South Korea
4. Department of Thoracic and Cardiovascular Surgery; Gyeongsang National University School of Medicine and Gyeongsang National University Hospital; Jinju South Korea
5. Department of Thoracic and Cardiovascular Surgery; Gyeongsang National University School of Medicine and Gyeongsang National University Changwon Hospital; Changwon South Korea
6. Department of Radiation Oncology; Catholic University of Daegu School of Medicine; Daegu South Korea
7. Department of Emergency Medicine; Hanmaeum General Hospital; Jeju South Korea