[1] Univ Aachen, Child & Adolescent Psychiat Psychosomat & Psychot, Aachen, Germany
[2] Lund Univ, Univ Gothenburg, Child & Adolescent Psychiat, Lund, Germany
[3] Univ Gothenburg, Gillberg Neuropsychiat Ctr, Gothenburg, Sweden
[4] Univ Duisberg Essen, Child & Adolescent Psychiat Psychosomat & Psychot, Essen, Germany
[5] Great Ormond St Hosp Sick Children, Child & Adolescent Mental Hlth Serv, London, England