1. Instituto Universitario Hospital Italiano; Argentine Cochrane Centre; Potosí 4234 Buenos Aires Buenos Aires Argentina C1199ACL
2. Damascus University; Faculty of Medicine; Mazzeh Street Damascus Syrian Arab Republic
3. Yonsei University Wonju College of Medicine; Department of Urology; 20 Ilsan-ro Wonju Gangwon Korea, South 26426
4. Changhai Hospital, Second Military Medical University; Department of Urology; 168 Changhai Road Shanghai China
5. University of Tromso; 9020 Storbakkvegen 21 Tromsdalen Norway H0101
6. Hospital Italiano de Buenos Aires; Urology Division; Juan D. Peron 4190 Ciudad Autónoma de Buenos Aires Buenos Aires Argentina C1181ACH
7. Instituto Universitario Hospital Italiano; Biblioteca Central; J.D. Perón 4190 Buenos Aires Argentina C1199ABB
8. Hospital Italiano de Buenos Aires; Family and Community Medicine Service; Buenos Aires Argentina