[1] Natl Ctr Neurol & Psychiat, Natl Inst Mental Hlth, Dept Prevent Intervent Psychiat Disorders, Tokyo, Japan
[2] Sodertorn Univ, Stockholm Ctr Hlth & Social Change SCOHOST, Huddinge, Sweden
[3] Univ Southern Calif, Suzanne Dworak Peck Sch Social Work, Los Angeles, CA 90007 USA
[4] Johns Hopkins Univ, Sch Med, Dept Psychiat & Behav Sci, Baltimore, MD 21205 USA
[5] Yonsei Univ, Coll Med, Dept Pediat, Seoul, South Korea
[6] Harvard Univ, Dept Sociol, Cambridge, MA 02138 USA