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