1. Department of Laboratory Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
2. Department of Pharmacology, Brain Korea 21 PLUS Project for Medical Sciences, Yonsei University College of Medicine, Seoul, Korea
3. Department of Medicine, Physician-Scientist Program, Yonsei University Graduate School of Medicine, Seoul, Korea
4. Department of Internal Medicine, National Health Insurance Service Ilsan Hospital, Goyang, Korea
5. Department of Laboratory Medicine, National Health Insurance Service Ilsan Hospital, Goyang, Korea