1. Department of Thoracic and Cardiovascular Surgery, Gyeongsang National University Hospital, Gyeongsang National University College of Medicine, Jinju, Korea
2. Department of Pathology, Gyeongsang National University Hospital, Gyeongsang National University College of Medicine, Jinju, Korea
3. Division of Rheumatology, Department of Internal Medicine, Gyeongsang National University Hospital, Gyeongsang National University College of Medicine, Jinju, Korea