1. DEPARTMENT OF CARDIOLOGY, FACULTY OF HEALTH SCIENCES IN KATOWICE, MEDICAL UNIVERSITY OF SILESIA, KATOWICE, POLAND
2. DEPARTMENT OF PROPAEDEUTICS OF NURSING, FACULTY OF HEALTH SCIENCES IN KATOWICE, MEDICAL UNIVERSITY OF SILESIA, KATOWICE, POLAND
3. STUDENT RESEARCH GROUP, DEPARTMENT OF CARDIOLOGY, FACULTY OF HEALTH SCIENCES IN KATOWICE, MEDICAL UNIVERSITY OF SILESIA, KATOWICE, POLAND
4. DOCTORAL STUDIES, FACULTY OF HEALTH SCIENCES IN KATOWICE, MEDICAL UNIVERSITY OF SILESIA, KATOWICE, POLAND