1. Department of Psychiatry, Depression Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
2. Division of Breast and Endocrine Surgery, Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
3. Yang Hospital, Namyangju, Republic of Korea.
4. Depression Clinical and Research Program, Massachusetts General Hospital, Harvard Medical School, Boston, USA.
5. National Institute of Dementia, Seongnam, Republic of Korea.
6. Department of Health Sciences & Technology, Department of Medical Device Management and Research, and Department of Clinical Research Design & Evaluation, Samsung Advanced Institute for Health Sciences & Technology (SAIHST), Sungkyunkwan University, Seoul, Republic of Korea.