1 Department of Disaster Psychiatry, School of Medicine, Fukushima Medical University, Fukushima, Japan Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima, Japan.
2 Department of Neuropsychiatry, Kurume University School of Medicine, Kurume, Japan.
3 Department of Psychiatry, Stony Brook University, New York, New York, USA.
4 Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima, Japan Department of Public Health, School of Medicine, Fukushima Medical University, Fukushima, Japan.
5 Radiation Medical Science Center for the Fukushima Health Management Survey, Fukushima Medical University, Fukushima, Japan.