1. Maria Sklodowska‐Curie National Research Institute of Oncology Gliwice Poland
2. Silesian University of Technology Gliwice Poland
3. Medical University of Gdańsk Gdańsk Poland
4. UPMC Hillman Cancer Center University of Pittsburgh Cancer Institute Pittsburgh PA USA
5. Department of Pathology University of Pittsburgh School of Medicine Pittsburgh PA USA
6. Department of Immunology University of Pittsburgh School of Medicine Pittsburgh PA USA