1. Department of Hematological and Transfusion Immunology Institute of Hematology and Transfusion Medicine Warsaw Poland
2. Department of Genetics Maria Sklodowska‐Curie National Research Institute of Oncology Warsaw Poland
3. Medical Centre of Postgraduate Education, Department of Gastroenterology Hepatology and Clinical Oncology Warsaw Poland
4. 1st Department of Obstetrics and Gynaecology Medical University of Warsaw Warsaw Poland