[1] Univ Med Ctr Hamburg Eppendorf, Dept Child & Adolescent Psychiat Psychotherapy & P, Hamburg, Germany
[2] Univ Hosp RWTH Aachen, Dept Child & Adolescent Psychiat, Child Neuropsychol Sect, Aachen, Germany
[3] Ludwig Maximilians Univ Munchen, Inst Med Informat Proc Biometry & Epidemiol IBE, Fac Med, Munich, Germany
[4] Pettenkofer Sch Publ Hlth, Munich, Germany
[5] Univ Med Greifswald, Inst Community Med Epidemiol Hlth Care & Community, Greifswald, Germany
[6] Saarland Univ, Child & Adolescent Psychiat Psychotherapy & Psycho, Med Ctr, Homburg, Germany
[7] Univ Cologne, Univ Hosp Cologne, Fac Med, Dept Child & Adolescent Psychiat Psychosomat & Psy, Cologne, Germany