1. Department of Psychiatry Tohoku University Hospital Sendai Japan
2. Department of Neuropsychiatry, School of Medicine Fukushima Medical University Fukushima Japan
3. Department of Disaster Psychiatry, International Research Institute of Disaster Science Tohoku University Sendai Japan
4. Department of Pathology, Brain Research Institute Niigata University Niigata Japan
5. Department of Psychiatry, Graduate School of Medicine Tohoku University Sendai Japan