1. Department of Psychiatry, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Republic of Korea.
2. Department of Psychiatry, Seoul Medical Center, Seoul, Republic of Korea.
3. Department of Laboratory Medicine and Clinical Genetics, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Republic of Korea.
4. Samsung Biomedical Research Institute, Samsung Medical Center, Seoul, Republic of Korea.
5. Department of Psychiatry, Seoul Mental Hospital, Seoul, Republic of Korea.
6. Department of Psychiatry, Yong-In Mental Hospital, Yongin, Republic of Korea.