1. Clinic of Paediatrics, Haematology and Oncology , The University Clinical Centre in Gdansk
2. student of Supplementary Master of Science in Nursing program , Faculty of Health Sciences with Institute of Maritime and Tropical Medicine , Medical University of Gdansk
3. Laboratory of Pediatric Nursing, Department of Internal and Pediatric Nursing , Institute of Nursing and Midwifery , Faculty of Health Sciences with Institute of Maritime and Tropical Medicine, Medical University of Gdansk
4. Polish Federation for Education in Diabetology