[1] Nicolaus Copernicus Univ, Dept Regenerat Med, Coll Med, Bydgoszcz, Poland
[2] Asklepios Klin Barmbek Germany, Dept Urol, Hamburg, Germany
[3] Voivodeship Hosp Gorzow Wielkopolski, Dept Urol, Gorzow Wielkopolski, Poland
[4] Nicolaus Copernicus Univ, Dept Clin Oncol & Nursing, Coll Med, Curie Sklodowskiej 9, Bydgoszcz, Poland
[5] Univ Med Ctr Frankfurt, Dept Urol, Frankfurt, Germany