1. Faculty of Health Sciences, State University of Applied Sciences in Wloclawek, 87-800 Wloclawek, Poland
2. Faculty of Health Sciences, The Mazovian Academy in Plock, 09-402 Plock, Poland
3. Clinic of Geriatrics, Faculty of Health Science, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-094 Bydgoszcz, Poland
4. Neurological and Neurosurgical Nursing Department, Faculty of Health Science, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-821 Bydgoszcz, Poland