Full text: Available Index: LILACS (Americas) Main subject: Urology / Men's Health Type of study: Diagnostic study / Etiology study / Risk factors Limits: Adult / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Int. braz. j. urol Journal subject: Urology Year: 2015 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of São Paulo/BR