1 | Faculty of Health Sciences, University of Bielsko-Biala, Poland |
2 | Department of Propaedeutics of Nursing, School of Health Sciences in Katowice, Medical University of Silesia, Katowice, Poland |
3 | Department of Gerontology and Geriatric Nursing, School of Health Sciences in Katowice, Medical University of Silesia, Katowice, Poland |