[1] MSC Natl Res Inst Oncol, Gliwice Branch, Radiotherapy Dept, Gliwice, Poland
[2] St Lukas Hosp, Dept Radiat Oncol, Tarnow, Poland
[3] Greater Poland Canc Ctr, Brachytherapy Dept, Poznan, Poland
[4] Poznan Univ Med Sci, Dept Electroradiol, Poznan, Poland
[5] Greater Poland Canc Ctr, Dept Radiotherapy 4, Poznan, Poland
[6] Med Univ Gdansk, Fac Med, Dept Oncol & Radiotherapy, Gdansk, Poland
[7] Bone Sarcoma & Melanoma Maria Sklodowska, Curie Natl Res Inst Oncol, Dept Soft Tissue, Warsaw, Poland
[8] Holy Cross Canc Ctr, Dept Radiotherapy, Kielce, Poland
[9] Med Univ Lodz, Dept Biostat & Translat Med, Lodz, Poland
[10] Copernicus Mem Hosp, Dept Radiotherapy, Lodz, Poland