[1] Indiana Univ Sch Med, Dept Pathol, Indianapolis, IN 46202 USA
[2] Imam Abdulrahman bin Faisal Univ, Coll Med, Dept Pathol, Dammam, Saudi Arabia
[3] Comenius Univ, Fac Med, Dept Oncol 2, Bratislava 83310, Slovakia
[4] Natl Canc Inst, Bratislava 83310, Slovakia
[5] Indiana Univ Sch Med, Dept Urol, Indianapolis, IN 46202 USA