1. Department of Psychiatry, Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
2. Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
3. Brain Korea 21 Plus Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
4. Department of Psychiatry and Neuroscience Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea