1. Doctoral School of Psychology, Eötvös Loránd University, Budapest, Hungary;
2. Department of Personality and Health Psychology, Institute of Psychology, Eötvös Loránd University, Budapest, Hungary;
3. School of Psychology, The University of Birmingham, Birmingham, UK;
4. Department of Psychology, University of Bath, Bath, UK;
5. Addictions Research Group, Sangath Community Health NGO, Goa, India