1. Department of Specialized Nursing, Pomeranian Medical University in Szczecin, 71-210 Szczecin, Poland
2. Intensive Cardiac Care Unit, Independent Public Voivodship Hospital, ul. Arkońska 4, 71-455 Szczecin, Poland
3. Deparment of Nursing, State University of Applied Sciences in Koszalin, 75-582 Koszalin, Poland
4. Students’ Scientific Society of Department of Specialized Nursing, Pomeranian Medical University in Szczecin, 71-210 Szczecin, Poland