1. Department of Neuropsychiatry, Seoul National University Hospital, Seoul, Republic of Korea.
2. Interdisciplinary Program for Cognitive Science, Seoul National University Hospital, Seoul, Republic of Korea.
3. Department of Neuropsychiatry, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Republic of Korea.
4. Department of Neuropsychiatry, Soonchunhyang University Bucheon Hospital, Bucheon, Republic of Korea.
5. Department of Neuropsychiatry, Gyeonggi Provincial Hospital for the Elderly, Yongin, Republic of Korea.
6. Department of Psychiatry, Kangwon National University Hospital, Chuncheon, Republic of Korea.
7. Department of Neuropsychiatry, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.