sedigheh ebrahimi department of ethics, faculty of medicine, shiraz university of medical sciences, shiraz, iran soheil ashkani esfahani student research committee, shiraz university of medical sciences, shiraz, iran; student research committee, shiraz medical school, shiraz university of medical sciences, shiraz, ir iran. tel.: +98-9173397040

a basiri from the urology research center, shahid labbafi-nejad medical center, shahid beheshti university of medical sciences, tehran, i.r. iran. a tabibi from the urology research center, shahid labbafi-nejad medical center, shahid beheshti university of medical sciences, tehran, i.r. iran. m parvin from the urology research center, shahid labbafi-nejad medical center, shahid beheshti university of medical sciences, tehran, i.r. iran.

Padmanabhan Subramanian Hithaishi Chinthalapalli Murali Krishnan Susan M Tarlo Thierry Lobbedez Maria Elsa Pineda Dimitrios G Oreopoulos