[1] Charles Univ Prague, Med Sch, Dept Oncol & Radiotherapy, Alej Svobody 80, CZ-30460 Prague, Czech Republic
[2] Charles Univ Prague, Teaching Hosp Pilsen, Alej Svobody 80, CZ-30460 Prague, Czech Republic
[3] Charles Univ Prague, Fac Med Pilsen, Biomed Ctr, Prague, Czech Republic
[4] Charles Univ Prague, Med Sch, Dept Pneumol, Prague, Czech Republic