1. Institute of Mother and Child, Department of Medical Genetics; Warsaw Poland
2. Medical University of Gdańsk; Department of Paediatrics, Haemathology & Oncology, Department of General Nursery; Gdańsk Poland
3. Medical University of Gdańsk; Department of Pathology & Neuropathology; Copernicus Hospital, Department of Patomorphology; Gdańsk Poland
4. Institute of Mother and Child, Department of Diagnostic Imaging; Warsaw Poland
5. Medical University of Gdańsk; Department of Biology and Genetics; Gdańsk Poland