1 Department of Pediatrics and Pediatric Gastroenterology with Pediatric Cardiology Subdivision, St. Jadwiga the Queen Clinical Regional Hospital No. 2, Rzeszów, Poland. oksanatrebacz@gmail.com.
2 Department of Pediatrics and Pediatric Gastroenterology with Pediatric Cardiology Subdivision, St. Jadwiga the Queen Clinical Regional Hospital No. 2, Rzeszów, Poland.
3 Department of Anesthesiology and Intensive Therapy, St. Jadwiga the Queen Clinical Regional Hospital No. 2, Rzeszów, Poland.
4 Dover Fueling Solutions, Kraków, Poland.
5 Department of Coronary Disease and Heart Failure, Jagiellonian University, Medical College, John Paul II Hospital, Kraków, Poland.