1. Department of Pathology, Center for Biostructure; Medical University of Warsaw; Chałubińskiego 5 Warsaw 02-004 Poland
2. Department of Pathology; Children's Memorial Health Institute; Warsaw Poland
3. BioMedical Engineering Laboratory; Biotechnology and Bioprocess Engineering Division; Warsaw University of Technology; Warsaw Poland
4. Department of Histology and Embryology; Center for Biostructure; Medical University of Warsaw; Warsaw Poland