1. 1Department of Psychosomatic Medicine and Psychotherapy, Hannover Medical School, Hanover, Germany
2. 2General Psychology: Cognition and Center for Behavioral Addiction Research (CeBAR), University of Duisburg-Essen, Germany
3. 3International University of Applied Sciences (IUBH), Cologne, Germany
4. 4College of Education, Psychology and Social Work, Flinders University, Adelaide, Australia
5. 5Órama Institute for Mental Health and Wellbeing, Flinders University, Adelaide, Australia
6. 6Research School of Psychology, The Australian National University, Canberra, Australia
7. 7Erwin L. Hahn Institute for Magnetic Resonance Imaging, Essen, Germany
8. 8Institute of Sociology, Technical University of Dresden, Dresden, Germany