作者单位:Univ Ulsan, Coll Med, Asan Med Ctr, Dept Psychiat, Seoul 138736, South Korea[1]Univ Ulsan, Coll Med, Asan Med Ctr, Dept Clin Epidemiol & Biostat, Seoul 138736, South Korea[2]Univ Ulsan, Coll Med, Asan Med Ctr, Dept Neurol, Seoul 138736, South Korea[3]