1 Department of Bone Marrow Transplantation and Haematology-Oncology, Maria Sklodowska-Curie National Research Institute of Oncology, Gliwice Branch, Poland.
2 Clinical Oncology Department, Maria Sklodowska-Curie National Research Institute of Oncology, Krakow Branch, Poland.
3 Outpatient Chemotherapy Department, Maria Sklodowska-Curie National Research Institute of Oncology, Gliwice Branch, Poland.
4 Department of Epidemiology, School of Medicine in Katowice, the Medical University of Silesia, Katowice, Poland.
5 Ward of Pulmonology and Oncology, Centre of Pulmonology and Thoracosurgery, Bystra, Poland.