[1] St Elisabeth Klinikum, Dept Urol, Straubing, Germany
[2] Univ Aberdeen, Sch Dent, Aberdeen, Scotland
[3] Dept Pathol, Pathol Off, Hof, Germany
[4] Prostate Canc Ctr, Dept Urol, Markfredwitz, Germany
[5] Univ Tubingen, Dept Urol, Tubingen, Germany