[1] UCL, Inst Child Hlth, Ctr Evidence Based Child Hlth, London WC1N 1EH, England
[2] UCL, Inst Child Hlth, MRC Ctr Epidemiol Child Hlth, London WC1N 1EH, England
[3] CUNY John Jay Coll Criminal Justice, Dept Psychol, New York, NY 10019 USA
[4] Univ Nottingham, Inst Work Hlth & Org, Nottingham NG7 2RD, England
[5] Univ Birmingham, WHO Collaborating Ctr Child Care & Protect, Birmingham, W Midlands, England
[6] Christchurch Sch Med & Hlth Sci, Christchurch Hlth & Dev Study, Dept Psychol Med, Christchurch, New Zealand
[7] Cardiff Univ, Dept Child Hlth, Sch Med, Cardiff, Wales
[8] Karlstad Univ, Dept Publ Hlth, Karlstad, Sweden