1. Institute of Psychology Cardinal Stefan Wyszynski University Warsaw Poland
2. Institute of Psychology The Maria Grzegorzewska University Warsaw Poland
3. Department of Psychiatry and Child Study Center, School of Medicine Yale University New Haven Connecticut USA
4. Department of Neuroscience Yale University New Haven Connecticut USA
5. Connecticut Council on Problem Gambling Wethersfield Connecticut USA
6. Connecticut Mental Health Center New Haven Connecticut USA
7. Swartz Center for Computational Neuroscience, Institute for Neural Computations University of California San Diego California USA
8. Institute of Psychology Polish Academy of Sciences Warsaw Poland