1. Department of Clinical Neuroscience; Karolinska Institutet; Stockholm Sweden
2. Department of Psychology; Harvard University; Cambridge MA USA
3. Faculty of Human and Social Sciences; Kore University of Enna; Enna Italy
4. Department of Communication Sciences; imec-mict-Ghent University; Ghent Belgium
5. Laboratory for Experimental Psychopathology; Université Catholique de Louvain; Louvain Belgium
6. Department of Mental Health, Johns Hopkins Bloomberg School of Public Health; Baltimore MD USA
7. Centre for Social Research on Alcohol and Drugs; Stockholm University; Stockholm Sweden
8. Gambling Treatment Clinic and Research, School of Psychology; University of Sydney; Sydney Australia
9. Geneva University Hospital, University of Geneva; Geneva Switzerland
10. Institute for Health and Behavior, Integrative Research Unit on Social and Individual Development (INSIDE); University of Luxembourg; Luxembourg
11. Internet and gambling disorders Clinic, Department of Adult Psychiatry; Cliniques Universitaires Saint-Luc; Brussels Belgium