1. 1Institute of Psychology, ELTE Eötvös Loránd University, Budapest, Hungary
2. 2Département de Psychologie, Université de Montréal, Montréal, QC, Canada
3. 3Yale University School of Medicine, New Haven, CT, USA
4. 4Connecticut Council on Problem Gambling, Wethersfield, CT, USA
5. 5Connecticut Mental Health Center, New Haven, CT, USA
6. 6Psychology Department, International Gaming Research Unit, Nottingham Trent University, Nottingham, UK
7. 7Department of Psychology, University of Nevada, Las Vegas, Las Vegas, NV, USA
8. 8Institute for Sex Research, Sexual Medicine and Forensic Psychiatry, University Medical Center Hamburg-Eppendorf, Hamburg, Germany