1. Toyokawa City Hospital; Department of Psychiatry; Koumei 1-19 Toyokawa Aichi Japan 442-8561
2. Nagoya City University Graduate School of Medical Sciences; Department of Psychiatry & Cognitive-Behavioral Medicine; Kawasumi 1 Mizuho-cho, Mizuho-ku Nagoya Aichi Japan 467-8601
3. Keio University School of Medicine; Department of Psychiatry and the Center for Clinical Research; Shinanomachi 35, Shinjuku-ku Tokyo Japan 160-8582
4. University of Verona; Department of Public Health and Community Medicine, Section of Psychiatry; Policlinico "G.B.Rossi" Piazzale L.A. Scuro, 10 Verona Italy 37134
5. National Collaborating Centre for Women's and Children's Health; 4th Floor, King's Court 2-16 Goodge Street London UK W1T 2QA
6. University of Bristol; Centre for Mental Health, Addiction and Suicide Research, School of Social and Community Medicine; Oakfield House Oakfield Grove Bristol UK BS8 2BN
7. Kyoto University Graduate School of Medicine / School of Public Health; Departments of Health Promotion and Behavior Change and of Clinical Epidemiology; Yoshida Konoe-cho, Sakyo-ku, Kyoto Japan 601-8501