1. Faculty of Nursing, University of Murcia, 30100 Murcia, Spain
2. Department of Nursing, Faculty of Health Sciences, Pomeranian Medical University in Szczecin, 48 Zolnierska St., 71-210 Szczecin, Poland
3. Department of Surgery, Paediatrics, Obstetrics and Gynaecology, University of Murcia, 30100 Murcia, Spain
4. Department of Education and Research in Health Sciences, Faculty of Health Science, Medical University of Warsaw, 00-581 Warsaw, Poland
5. Subdepartment of Social Medicine and Public Health, Department of Social Medicine, Pomeranian Medical University in Szczecin, 71-210 Szczecin, Poland