1. Podkarpackie Specialist Oncology Centre, Specialist Hospital in Brzozów, 36-200 Brzozów, Poland
2. Institute of Health Sciences, College of Medical Sciences, University of Rzeszów, 35-959 Rzeszów, Poland
3. Postgraduate Nursing and Midwifery Education Centre, 35-083 Rzeszów, Poland
4. Frederic Chopin Provincial Clinical Hospital No. 1, 35-055 Rzeszów, Poland
5. Student Scientific Association of Nurses, Sanok State University, 38-500 Sanok, Poland
6. Collegium Medicum, Jan Długosz Częstochowa University, 42-200 Częstochowa, Poland
7. Institute of Health Protection, State University of Applied Sciences in Przemyśl, 37-700 Przemyśl, Poland