[1] Wroclaw Med Univ, Fac Hlth Sci, Dept Nervous Syst Dis, Wroclaw, Poland
[2] Wroclaw Med Univ, Fac Hlth Sci, Dept Hlth Care Econ & Qual, Wroclaw, Poland
[3] Med Univ Silesia, Sch Hlth Sci, Dept Gerontol & Geriatr Nursing, Katowice, Poland
[4] Wroclaw Med Univ, Dept Ophthalmol, Wroclaw, Poland
[5] Wroclaw Med Univ, Fac Hlth Sci, Dept Clin Nursing, Wroclaw, Poland