Institution: | aDepartment of Laboratory Medicine, College of Medicine, Dong-A University, Dong-A University Hospital, 1, 3-Ga, Dongdaesin-Dong, Seo-Gu, Busan, 602-715, Republic of Korea bDepartment of Internal Medicine, College of Medicine, Dong-A University, Dong-A university hospital, Busan, Republic of Korea |