Authors
Barbara Sokołowska
b.sokolowska@dyd.akademiabialska.pl
John Paul II University of Applied Sciences in Biala Podlaska, Poland
Stanisława Katarzyna Nazaruk
John Paul II University of Applied Sciences in Biala Podlaska, Poland
Agnieszka Radzka-Pogoda
Doctoral School, Medical University of Lublin, Poland
Gabriela Henrykowska
Department of Epidemiology and Public Health, Medical University, Łódź, Poland
Andrzej Borzęcki
Department of Hygiene and Epidemiology, Medical University of Lublin, Poland