1. Department of Psychiatry The Jikei University School of Medicine Tokyo Japan
2. Fukkokai Soubu Hospital Chiba Japan
3. Department of Neuropsychiatry Kochi Medical School, Kochi University Kochi Japan
4. Asakayama Hospital Sakai Japan
5. Department of Psychiatry Osaka University Graduate School of Medicine Osaka Japan
6. Department of Psychiatry Mizuma Hospital Kaizuka Japan