[1] Seoul Natl Univ, Bundang Hosp, Dept Psychiat, Gyeonggi Do, South Korea
[2] Kings Coll London, Ctr Neuroimaging Sci, Inst Psychiat Psychol & Neurosci, London, England
[3] Seoul Natl Univ, Coll Med, Dept Nucl Med, Seoul, South Korea
[4] Seoul Natl Univ, Dept Biomed Sci, Coll Med, Seoul, South Korea
[5] Seoul Natl Univ, Inst Radiat Med, Coll Med, Seoul, South Korea
[6] Seoul Natl Univ, Grad Sch Publ Hlth, Dept Publ Hlth Sci, Seoul, South Korea
[7] Seoul Natl Univ, Dept Psychiat, Coll Med, Seoul, South Korea
[8] Seoul Natl Univ, Coll Nat Sci, Dept Brain & Cognit Sci, Seoul, South Korea
[9] Kings Coll London, Inst Psychiat Psychol & Neurosci, Dept Psychosis Studies, London, England
[10] Imperial Coll London, Med Res Council, Clin Sci Ctr, Psychiat Imaging, Hammersmith Hosp Campus, London, England