1. Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy; University Hospital; Goethe University Frankfurt am Main; Deutschordenstraße 50 60528 Frankfurt am Main Germany
2. Department of Child and Adolescent Psychiatry and Psychotherapy; Medical Faculty Mannheim; Central Institute of Mental Health; Heidelberg University; Heidelberg Germany
3. Department of Child and Adolescent Psychiatry/Psychotherapy; University Medical Center Göttingen; Medical University of Göttingen; Göttingen Germany