1. Department of Psychiatry; Kawada Hospital; Okayama Japan
2. Department of Psychiatry; Mannari Hospital; Okayama Japan
3. Department of Psychiatry; Kibogaoka Hospital; Tsuyama Japan
4. Department of Psychiatry; Sekizen Hospital; Tsuyama Japan
5. Department of Psychiatry; Kinoko Espoir Hospital; Kasaoka Japan
6. Department of Psychiatry; Yura Hospital; Tamano Japan
7. Department of Psychiatry; Setouchi Kinen Hospital; Setouchi Japan
8. Department of Psychiatry; Zikei Hospital; Okayama Japan
9. Department of Psychiatry; Sanyo Hospital; Okayama Japan
10. Department of Psychiatry; Hayashi Hospital; Okayama Japan
11. Department of Psychiatry; Taiyo Hills Hospital; Takahashi Japan
12. Department of Psychiatry; Kohnan Hospital; Tamano Japan
13. Department of Psychiatry; Koyodai Hospital; Maniwa Japan
14. Department of Psychiatry; Kurashiki Jinpu Hospital; Kurashiki Japan
15. Department of Psychiatry; Kurashiki Shinkeika Hospital; Kurashiki Japan
16. Department of Psychiatry; Okayama Psychiatric Medical Center; Okayama Japan
17. Department of Psychiatry; Okayama Hidamarino-Sato Hospital; Okayama Japan
18. Department of Psychiatry; Makibi Hospital; Kurashiki Japan
19. Department of Neuropsychiatry; Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences; Okayama Japan