[1] Nicolaus Copernicus Univ Torun, Fac Hlth Sci, Dept Geriatr, Ludwik Rydygier Coll Med Bydgoszcz, Bydgoszcz, Poland
[2] Med Univ Lodz, Fac Hlth Sci, Dept Nursing Pedag, Lodz, Poland
[3] Med Univ Lodz, Fac Hlth Sci, Dept Conservat Nursing, Lodz, Poland
[4] Jagiellonian Univ Med Coll, Dept Internal & Environm Nursing, Inst Nursing & Midwifery, Fac Hlth Sci, Krakow, Poland
[5] Med Univ Bialystok, Fac Hlth Sci, Dept Integrated Med Care, Bialystok, Poland