1. Department of Psychiatry; Juntendo University Nerima Hospital; Tokyo Japan
2. Department of Psychiatry; Seijin Hospital; Tokyo Japan
3. Department of Psychiatry; Asahikawa Keisenkai Hospital; Asahikawa Japan
4. Department of Psychiatry; Tokyo Metropolitan Matsuzawa Hospital; Tokyo Japan
5. Department of Psychiatry; The Okehazama Hospital; Toyoake Japan
6. Department of Psychiatry; Hyogo Prefecture Kofu Hospital; Kobe Japan
7. Department of Psychiatry; Hasegawa Hospital; Tokyo Japan
8. Department of Psychiatry; Chiba Psychiatric Medical Center; Chiba Japan
9. Department of Psychiatry; Tosa Hospital; Kochi Japan
10. Department of Psychiatry; National Hospital Organization Hizen Psychiatric Center; Yoshinogari Japan
11. Department of Environmental and Preventive Medicine; Kanazawa University Graduate School of Medical Science; Kanazawa Japan
12. Department of Mental Health Policy and Evaluation; National Center of Neurology and Psychiatry; Kodaira Japan