1. Department of Psychiatry, School of Medicine Dokkyo Medical University Tochigi Japan
2. Department of Psychiatry Kikuchi Hospital Tochigi Japan
3. Department of Psychiatry TMC Shimotsuga Tochigi Japan
4. Department of Psychiatry Asahi Hospital Tochigi Japan
5. Department of Psychiatry Aoki Hospital Tochigi Japan
6. Department of Psychiatry Fudogaoka Hospital Saitama Japan
7. Department of Psychiatry Takizawa Hospital Tochigi Japan
8. Department of Psychiatry Okamotodai Hospital Tochigi Japan
9. Department of Psychiatry Muroi Hospital Tochigi Japan
10. Department of Psychiatry Saitama‐Konan Hospital Saitama Japan
11. Department of Psychiatry Kanuma Hospital Tochigi Japan
12. Department of Neuropsychiatry Hirosaki‐Aiseikai Hospital Aomori Japan
13. Department of Psychiatry Seinan Hospital Aomori Japan
14. Department of Neuropsychiatry Kuroichi‐Akebono Hospital Aomori Japan