Authors
Magdalena Naja-Wiśniewska
Department of Geriatrics, Provincial Specialist Hospital Stefan Cardinal Wyszyński of Lublin, Poland
Ryszard Maciejewski
Department of Human Anatomy, Medical University of Lublin, Poland
Barbara Nieradko-Iwanicka
barbara.nieradko-iwanicka@umlub.pl
Department of Hygiene and Epidemiology, Medical University of Lublin, Poland