1. Division of Cardiology, Department of Internal Medicine, Yongin Severance Hospital, Yonsei University College of Medicine and Cardiovascular Center, Yongin, Korea
2. Department of Laboratory Medicine, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, Korea
3. Department of Laboratory Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
4. Department of Laboratory Medicine, Graduate School of Medical Sciences, Brain Korea 21 PLUS Project, Yonsei University College of Medicine, Seoul, Korea
5. Department of Statistics, Keimyung University, Korea