Authors
Iwona Jańczewska
Department of Neonatology, Medical University of Gdansk, Gdansk, Poland
Jolanta Wierzba
Department of General Nursery, Medical University of Gdansk, Gdansk, Poland
Monika Cichoń-Kotek
Department of Pediatrics, Hematology and Oncology, Medical University of Gdansk, Gdansk, Poland
Alicja Jańczewska
Student of Medical University of Gdansk, Gdansk, Poland