[1] M Sklodowska Curie Mem Inst, Epidemiol Unit, Ctr Oncol, PL-31115 Krakow, Poland
[2] Cracow Univ Econ, Dept Stat, PL-31510 Krakow, Poland
[3] Pulmonol & Oncol Ctr, PL-10357 Olsztyn, Poland
[4] M Sklodowska Curie Mem Inst, Dept Canc Epidemiol, Ctr Oncol, PL-44101 Gliwice, Poland
[5] M Sklodowska Curie Mem Inst, Independent Unit Warsaw Canc Registry, Ctr Oncol, PL-02781 Warsaw, Poland