1. Department of Pediatric Surgery and Organ Transplantation, The Children’s Memorial Health Institute, Warsaw, Poland
2. Department of Oncology, The Children’s Memorial Health Institute, Warsaw, Poland
3. Department of Pediatric Radiology, The Children’s Memorial Health Institute, Warsaw, Poland
4. Department of Cardiology and Cardiovascular Interventional Laboratory, The Children’s Memorial Health Institute, Warsaw, Poland
5. Department of General, Transplant and Liver Surgery, Warsaw Medical University, Warsaw, Poland