[1] Vrije Univ Amsterdam, Med Ctr, Dept Child & Adolescent Psychiat, Meibergdreef 5,Post Box 303, NL-1115 ZG Amsterdam, Netherlands
[2] Dept Child & Adolescent Psychiat, Basel, Switzerland
[3] Goethe Univ, Univ Hosp Frankfurt, Dept Child & Adolescent Psychiat, Psychosomat & Psychotherapy, Frankfurt, Germany
[4] Univ Birmingham, Sch Psychol, Birmingham, W Midlands, England
[5] Univ Southampton, Dept Psychol, Southampton, Hants, England
[6] Univ Hosp RWTH, Dept Child & Adolescent Psychiat, Psychosomat & Psychotherapy, Aachen, Germany
[7] Athens Univ, Children & Adolescents Mental Hlth Unit, Athens, Greece
[8] SU, Dept Child Hlth Ctr, Fac Med Child & Adolescent Psychiat, Szeged, Hungary
[9] Univ Bath, Dept Psychol, Bath, Avon, England
[10] Basurto Univ Hosp, Bilbao, Spain
[11] Vrije Univ Amsterdam, Dept Biol Psychol, Amsterdam, Netherlands
[12] Univ Hosp Mutua Terrassa, Child & Adolescent Mental Hlth Unit, Barcelona, Spain
[13] Ruprecht Karls Univ Heidelberg, Inst Med Biometry & Informat, Heidelberg, Germany
[14] West London Mental Hlth NHS Trust, Broadmoor High Secure Hosp, Crowthorne, Berks, England