1. Institute of Health Sciences, College of Medical Sciences, University of Rzeszów, 35-959 Rzeszów, Poland
2. Podkarpackie Specialist Oncology Centre, Father B. Markiewicz Specialist Hospital in Brzozów, 36-200 Brzozów, Poland
3. Institute of Medicine, Sanok State University, 38-500 Sanok, Poland
4. Postgraduate Nursing and Midwifery Education Centre, 35-083 Rzeszów, Poland
5. Independent Public Healthcare Institution, Ministry of Internal Affairs and Administration, 35-959 Rzeszów, Poland
6. Institute of Medical Sciences, Collegium Medicum, University of Zielona Góra, 65-046 Zielona Góra, Poland
7. University Clinical Hospital in Poznań, 60-245 Poznań, Poland