1. Sztárai Institute, University of Tokaj, 3944 Sárospatak, Hungary
2. Department of Physiology, Albert Szent-Györgyi Medical School, University of Szeged, 6720 Szeged, Hungary
3. Department of Behavioral Science, Albert Szent Györgyi Medical School, University of Szeged, 6720 Szeged, Hungary
4. Department of Psychiatry, Bács-Kiskun County Hospital, 6000 Kecskemét, Hungary