1. Departments of Laboratory Medicine, Yeungnam University College of Medicine, Daegu, Korea
2. Departments of Internal Medicine, Yeungnam University College of Medicine, Daegu, Korea
3. Departments of Biochemistry & Molecular Biology, Yeungnam University College of Medicine, Daegu, Korea
4. Department of Laboratory Medicine & Genetics, Samsung Medical Center, Sungkyunkwan University College of Medicine, Seoul, Korea