[1] Fukushima Med Univ, Sch Med, Dept Disaster Psychiat, 1 Hikarigaoka, Fukushima, Fukushima 9601295, Japan
[2] Fukushima Med Univ, Radiat Med Sci Ctr Fukushima Hlth Management Surv, Fukushima, Japan
[3] Kurume Univ, Sch Med, Dept Neuropsychiat, Kurume, Fukuoka, Japan
[4] SUNY Stony Brook, Dept Psychiat, Stony Brook, NY USA
[5] Fukushima Med Univ, Sch Med, Dept Publ Hlth, Fukushima, Japan