1. University of Aberdeen; Academic Urology Unit; Foresterhill Aberdeen Scotland UK AB25 2ZD
2. Universidade Estadual Paulista (UNESP); Reabilitation Service; Distrito de Rubião Júnior, s/n Botucatu São Paulo Brazil 18618-970
3. Botucatu Medical School, UNESP - Univ Estadual Paulista; Department of Anaesthesiology; Distrito de Rubião Júnior, s/n Botucatu Brazil 18603-970
4. McMaster University; Department of Surgery; Hamilton ON Canada
5. Medical School of Botucatu, Universidade Estadual Paulista (UNESP); Department of Urology; Distrito de Rubião Júnior, s/n Botucatu São Paulo Brazil 18618-970