1. Department of Basic Nursing, Medical University of Warsaw, 02-097 Warsaw, Poland
2. Department of Biochemistry and Pharmacogenomics, Medical University of Warsaw, 02-097 Warsaw, Poland
3. Institute of Information Technology, Warsaw University of Life Sciences, 02-776 Warsaw, Poland
4. Department of Prevention of Environmental Hazards, Allergology and Immunology, Medical University of Warsaw, 02-097 Warsaw, Poland
5. 2nd Department of Pediatrics, Centre of Postgraduate Medical Education, 01-813 Warsaw, Poland