1. Department of Infectious Diseases, Provincial Specialist Children’s Hospital in Olsztyn, Olsztyn, Poland
2. Department of Primary Health Care, Faculty of Health Sciences, Medical University of Bialystok, Białystok, Poland
3. Faculty of Medicine, Medical University of Bialystok, Białystok, Poland
4. Department of Surgical Nursing, Medical University of Bialystok, Białystok, Poland