1 Department of Urology, Hadassah Medical Center, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel.
2 Jerusalem College of Technology, Jerusalem, Israel.
3 Obstetrics and Gynecology Division, Hadassah-Hebrew University Medical Center, Jerusalem, Israel.
4 Department of Clinical Microbiology and Infectious Diseases, Hadassah-Hebrew University Medical Center, Ein Kerem, Jerusalem, Israel. jstrahilevitz@hadassah.org.il.