1. DEPARTMENT OF UROLOGY, DR. B. HAGER MULTISPECIALIST COUNTY HOSPITAL IN TARNOWSKIE GÓRY, TARNOWSKIE GÓRY, POLAND
2. DEPARTMENT OF PATHOPHYSIOLOGY AND ENDOCRINOLOGY, SCHOOL OF MEDICAL SCIENCES IN ZABRZE, MEDICAL UNIVERSITY OF SILESIA IN KATOWICE, ZABRZE, POLAND
3. ACADEMIC CENTRE FOR DENTISTRY AND SPECIALIZED MEDICINE, SCHOOL OF MEDICAL SCIENCES IN ZABRZE, MEDICAL UNIVERSITY OF SILESIA IN KATOWICE, ZABRZE, POLAND
4. DEPARTMENT OF NEUROLOGY, SCHOOL OF MEDICAL SCIENCES IN ZABRZE, MEDICAL UNIVERSITY OF SILESIA IN KATOWICE, ZABRZE, POLAND
5. STUDENT SCIENTIFIC CIRCLE AT THE DEPARTMENT OF PSYCHIATRY, SCHOOL OF MEDICAL SCIENCES IN ZABRZE, MEDICAL UNIVERSITY OF SILESIA IN KATOWICE, ZABRZE, POLAND
6. DEPARTMENT OF UROLOGY, SCHOOL OF MEDICAL SCIENCES IN ZABRZE, MEDICAL UNIVERSITY OF SILESIA IN KATOWICE, ZABRZE, POLAND