Departments of Internal Medicine, Kosin University, College of Medicine, Busan, South Korea
2.Department of Internal Medicine, Kosin University Faculty of Medicine, Busan, Republic of Korea
3.Department of Internal Medicine, Kosin University College of Medicine, Busan, Republic of Korea
4.Departments of General Surgery, Kosin University, College of Medicine, Busan, South Korea
5.Department of Pathology, Kosin University College of Medicine, Busan, Republic of Korea
6.Departments of Radiology, Kosin University, College of Medicine, Busan, South Korea