1. Department of Psychoprophylaxis in Tarnowskie Gory, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice, Poland
2. Student Research Group, Department of Psychiatry, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice, Poland
3. Department of Psychiatry, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Katowice, Poland