1. Medical University of Gdansk, Department of Pediatrics, Hematology and Oncology, Gdansk, Poland

2. Medical University of Gdańsk, The English Division Pediatric Oncology Scientific Circle, Gdańsk, Poland

3. Medical University of Gdańsk, Department of Pediatrics, Division of Diabetology and Endocrinology, Gdańsk, Poland

4. Medical University of Gdańsk, Department of Biology and Medical Genetics, Gdańsk, Poland

5. University Clinical Center in Gdańsk, Gdańsk, Poland

6. Medical University of Gdańsk, Department of Pathology and Neuropathology, Gdańsk, Poland