1. Department of Laboratory Medicine; University of Ulsan College of Medicine and Asan Medical Center; Seoul Korea
2. Department of Internal Medicine; University of Ulsan College of Medicine and Asan Medical Center; Seoul Korea
3. Department of Laboratory Medicine; Pusan National University School of Medicine, Pusan National University Hospital; Busan Korea
4. Department of Pharmacology, College of Medicine; Hallym University; Chooncheon Korea