1. Department of Family Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul 03080, Korea.
2. Neuro-Immune Information Storage Network Research Center, Seoul National University College of Medicine, Seoul 03080, Korea.
3. Department of Biochemistry and Molecular Biology, Seoul National University College of Medicine, Seoul 03080, Korea.
4. Department of Epidemiology, Seoul National University School of Public Health/Institute of Health and Environment, Seoul National University, Seoul 08826, Korea.