1. Department of Psychiatry; Graduate School of Medicine; Hokkaido University; Sapporo Japan
2. Health Care Center; Hokkaido University; Sapporo Japan
3. Child and Adolescent Psychiatry; Department of Psychiatry; University of California San Francisco; San Francisco USA
4. Department of Adult Mental Health; National Institute of Mental Health; National Center of Neurology and Psychiatry; Tokyo Japan
5. Department of Neuropsychiatry; Graduate School of Medical Sciences; Kyushu University; Fukuoka Japan
6. Department of Neuropsychiatry; Keio University School of Medicine; Tokyo Japan
7. Department of Psychiatry; Yokohama City University School of Medicine; Yokohama Japan
8. Department of Neuropsychiatry; Disaster and Community Psychiatry; Iwate Medical University; Iwate Japan