1. General Psychology: Cognition and Center for Behavioral Addiction Research (CeBAR) University of Duisburg‐Essen Duisburg Germany
2. Erwin L. Hahn Institute for Magnetic Resonance Imaging Essen Germany
3. Department of Psychosomatic Medicine and Psychotherapy Hannover Medical School Hannover Germany
4. Department of Psychotherapy and Systems Neuroscience Justus Liebig University of Giessen Giessen Germany
5. Bender Institute of Neuroimaging Justus Liebig University of Giessen Giessen Germany
6. Center of Mind, Brain and Behavior Universities of Marburg and Giessen Giessen Germany
7. Clinical Psychology and Psychotherapy University of Bamberg Bamberg Germany
8. Clinical Psychology and Psychotherapy University of Siegen Siegen Germany
9. Department of Molecular Psychology, Institute of Psychology and Education Ulm University Ulm Germany
10. Department of Psychosomatic Medicine and Psychotherapy, LWL University Hospital Ruhr University Bochum Bochum Germany
11. Cognitive Psychology Ruhr University Bochum Bochum Germany
12. Department of Psychiatry and Psychotherapy, Research Group S:TEP (Substance use and related disorders: Treatment, Epidemiology, and Prevention) University of Lübeck Lübeck Germany
13. Outpatient Clinic for Behavioral Addiction, Department of Psychosomatic Medicine and Psychotherapy, University Medical Center Johannes Gutenberg University Mainz Mainz Germany