1. Department of Psychology, Pusan National University, Busan, Korea;
2. Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, Korea;
3. Department of Internal Medicine, Division of Rheumatology, Seoul National University College of Medicine, Seoul, Korea;
4. Department of Internal Medicine, Pusan National University School of Medicine, Busan, Korea;
5. Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea;
6. Department of Neuropsychiatry, Seoul National University Hospital, Seoul, Korea;
7. Department of Psychiatry and Behavioral Science, Seoul National University College of Medicine, Seoul, Korea