[1] Med Univ, Comprehens Canc Ctr, Dept Oncol, Bialystok, Poland
[2] Oncol Ctr, Oncol Clin, Bydgoszcz, Poland
[3] Lower Silesian Oncol Ctr, Dept Chemotherapy, Wroclaw, Poland
[4] Jagiellonian Univ, Oncol Dept, Krakow, Poland
[5] Med Univ Gdansk, Dept Propedeut Oncol, Gdynia, Poland
[6] Gdynia Oncol Ctr, Dept Oncol & Radiotherapy, Gdynia, Poland
[7] Poznan Univ Med Sci, Clin Oncol, Poznan, Poland
[8] Amgen Biotechnol Spzoo, Warsaw, Poland