[a
]Department of Psychiatry, Depression Center, Samsung Medical Center, Sungkyunkwan
University School of Medicine, Seoul, Korea
[b
]Department of Clinical Research Design and Evaluation, and Department of Medical Device
Management and Research, Samsung Advanced Institute for Health Sciences & Technology
(SAIHST), Seoul, Korea
[c
]Depression Clinical and Research Program, Massachusetts General Hospital, Harvard
Medical School, Boston, USA
[d
]Department of Psychiatry, Seoul Paik Hospital, Inje University School of Medicine,
Seoul, Korea
[e
]Department of Psychiatry, Ilsan Paik Hospital, Inje University School of Medicine,
Ilsan, Korea
[f
]Department of Psychiatry, Eulji University School of Medicine, Eulji General Hospital,
Seoul, Korea
[g
]Department of Psychiatry, Asan Medical Center, University of Ulsan College of Medicine,
Seoul, Korea
[h
]Department of Psychiatry, Konkuk University School of Medicine, Seoul, Korea