1. Students’ Scientific Club, Department of Pediatrics and Developmental Neurology, Upper Silesian Children’s Health Center, Medical University of Silesia, Katowice, Poland
2. Department of Pediatrics and Developmental Neurology, Upper Silesian Children’s Health Center, Medical University of Silesia, Katowice, Poland
3. Department of Imaging Diagnostics and Interventional Radiology, Upper Silesian Children’s Health Center, Medical University of Silesia, Katowice, Poland