1. Center for Interdisciplinary Addiction Research, Department of Psychiatry and Psychotherapy, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
2. Department of Psychiatry and Psychotherapy Bethel Clinics, Bielefeld, Germany
3. Experimental Psychopathology Lab, Institute of Psychology, Polish Academy of Sciences, Warsaw, Poland
4. Department of Psychiatry and Psychotherapy, University of Göttingen, Göttingen, Germany
5. Department of Psychiatry and Psychotherapy, Universitatsklinikum Göttingen, Göttingen, Germany
6. Department of Psychiatry, Lower Saxonian Psychiatric Hospital, Goettingen, Germany
7. Department of Psychiatry, Hannover Medical School, Hannover, Germany
8. Department For Child and Adolescent Psychiatry, Neurology, Psychosomatics and Psychotherapy, Rostock University Medical Center, Rostock, Germany
9. B Westfalian Clinic of Psychiatry and Psychotherapy, Guetersloh, Germany
10. Clinic of Child and Adolescent Psychiatry and Psychotherapy, University of Rostock, Rostock, Germany
11. University-Clinic of Psychiatry and Psychotherapy, Ruhr-University Bochum-Campus OWL, Luebbecke, Germany