1. University Medical Center Hamburg-Eppendorf; Department of Child and Adolescent Psychiatry, Psychotherapy and Psychosomatics; Hamburg Germany
2. University Medical Center Münster; Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy; Münster Germany
3. University Medical Center Hamburg-Eppendorf; Department of Medical Psychology; Hamburg Germany
4. University Hospital Leipzig; Department of Medical Psychology and Medical Sociology; Leipzig Germany
5. Otto-von-Guericke University Magdeburg; Child and Adolescent Psychiatry; Magdeburg Germany
6. Heidelberg University Hospital; Department of General Internal and Psychosomatic Medicine; Heidelberg Germany
7. University of Leipzig; Department of Child and Adolescent Psychiatry, Psychotherapy and Psychosomatics; Leipzig Germany
8. Charité Universitätsmedizin Berlin; Department of Child and Adolescent Psychiatry, Psychosomatic Medicine and Psychotherapy; Berlin Germany
9. Heidelberg University Hospital; Child and Adolescent Psychiatry; Heidelberg Germany