1. Subdepartment of Long-Term Care and Palliative Medicine, Department of Social Medicine, Faculty of Health Sciences, Pomeranian Medical University in Szczecin, 48 Żołnierska, 71-210 Szczecin, Poland
2. Department of Nursing, Faculty of Health Sciences, Pomeranian Medical University in Szczecin, 48 Żołnierska, 71-210 Szczecin, Poland
3. Department of Clinical Nursing, Faculty of Health Sciences, Pomeranian Medical University in Szczecin, 48 Żołnierska, 71-210 Szczecin, Poland
4. Department of Biochemical Science, Faculty of Health Sciences, Pomeranian Medical University in Szczecin, 24 Broniewskiego, 71-460 Szczecin, Poland
5. Subdepartment of Social Medicine and Public Health, Department of Social Medicine, Faculty of Health Sciences, Pomeranian Medical University in Szczecin, 48 Żołnierska, 71-210 Szczecin, Poland