Affiliation: | 1. Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital Essen, University of Duisburg-Essen, Wickenburgstr. 21, 45147, Essen, Germany 2. Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital of the RWTH Aachen, Aachen, Germany 3. Institute of Medical Biometry and Epidemiology, Philipps-University Marburg, Marburg, Germany 4. Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University Hospital Würzburg, Würzburg, Germany 5. Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Charité, Berlin, Germany 6. Department of Child and Adolescent Psychiatry and Psychotherapy, University Medical Center Freiburg, Freiburg, Germany 7. Department of Child and Adolescent Psychiatry and Psychotherapy, Kliniken der Stadt K?ln, Cologne, Germany
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