1. Institute of Theoretical Physics, Jagiellonian University in Kraków, Łojasiewicza 11, 30-348 Kraków, Poland
2. Theoretical Physics, Saarland University, Campus E2.6, D–66123 Saarbrücken, Germany
3. Mark Kac Complex Systems Research Center, Jagiellonian University in Krakow, Łojasiewicza 11, 30-348 Kraków, Poland