Affiliation: | 1.Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea.;2.Department of Thoracic and Cardiovascular Surgery, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea.;3.Department of Pathology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea.;4.Department of Internal Medicine, Kosin University Gospel Hospital, University of Kosin College of Medicine, Busan, Korea. |