1. Department of Pathology, College of Medicine, Gyeongsang National University, Jinju, Korea.
2. Department of Internal Medicine, College of Medicine, Gyeongsang National University, Jinju, Korea.
3. Department of Thoracic Surgery, College of Medicine, Gyeongsang National University, Jinju, Korea.
4. Department of Diagnostic Radiology, College of Medicine, Gyeongsang National University, Jinju, Korea.