1. Department of Disaster Psychiatry; Faculty of Medicine; University of Tsukuba; Ibaraki Japan
2. Department of Neuropsychiatry; Faculty of Medicine; University of Tsukuba; Ibaraki Japan
3. Department of Psychiatry and Neuropathology; Faculty of Medical and Pharmaceutical Sciences; Kumamoto University; Kumamoto Japan
4. Department of Neuropsychiatry and Neuroscience; Ehime University Graduate School of Medicine; Ehime Japan
5. Hyogo Prefectural Rehabilitation Hospital at Nishi-Harima; Hyogo Japan
6. Yukiguni-Yamato Hospital; Niigata Japan
7. Department of Psychiatry and Neuroscience; Gunma University Graduate School of Medicine; Gunma Japan
8. Department of Biostatistics; Kurume University; Fukuoka Japan
9. Center for Advanced Medicine and Clinical Research; Nagoya University Hospital; Aichi Japan