Do Hyeon Park1 Euijin Chang1 Chang Kyung Kang1 Pyoeng Gyun Choe1 Nam Joong Kim1 Taek Soo Kim2 Wan Beom Park1 and Myoung-don Oh1
1Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
2Department of Laboratory Medicine, Seoul National University College of Medicine, Seoul, Korea.