1. Department of Pharmacology, Affective Cognitive Neuroscience Laboratory, Maj Institute of Pharmacology Polish Academy of Sciences, 12 Smetna Street, 31-343 Krakow, Poland
2. Department of Philosophy and Bioethics, Jagiellonian University Medical College, Faculty of Health Sciences, Kopernika 40, 31-501 Krakow, Poland
3. Department of Psychology, University of Oslo, Postboks 1094, Blindern, 0317 Oslo Norway
4. Faculty of Computing and Telecommunications, Poznan University of Technology, Piotrowo 2, 60-965 Poznan, Poland