1. Department of Psychiatry Juntendo University School of Medicine Tokyo Japan
2. Dementia Research Project Tokyo Metropolitan Institute of Medical Science Tokyo Japan
3. Department of Neuropsychiatry Ehime University Graduate School of Medicine Matsuyama Japan
4. Department of Disaster and Community Psychiatry, Division of Clinical Medicine, Faculty of Medicine University of Tsukuba Tsukuba Japan
5. Department of Community and Disaster Assistance, Ibaraki Prefectural Medical Research Center of Psychiatry University of Tsukuba Tsukuba Japan
6. Department of Psychiatry National Taiwan University Hospital Taipei Taiwan
7. Department of Psychiatry Nagoya University Graduate School of Medicine Aichi Japan