[1] Univ Pittsburgh, Sch Med, Western Psychiat Inst & Clin, Pittsburgh, PA 15213 USA
[2] Semmelweis Hosp, Kiskunhalas, Hungary
[3] Semmelweis Univ, H-1085 Budapest, Hungary
[4] Natl Inst Psychiat & Neurol, Budapest, Hungary
[5] Univ Pittsburgh, Sch Publ Hlth, Pittsburgh, PA 15260 USA
[6] Columbia Univ, Dept Psychiat, Div Neurosci, New York, NY 10027 USA
[7] New York State Psychiat Inst & Hosp, New York, NY 10032 USA