1. Department of Lymphoproliferative Diseases Maria Sklodowska‐Curie National Research Institute of Oncology Warsaw Poland
2. Department of Genetics Maria Sklodowska‐Curie National Research Institute of Oncology Warsaw Poland
3. Department of Gastroenterology Hepatology and Clinical Oncology Centre of Postgraduate Medical Education Warsaw Poland
4. Genomics Core Facility, Centre of New Technologies University of Warsaw Warsaw Poland