Submitted on: 16 August 1999.
Revised on: 17 September 1999.
Accepted on: 14 November 1999.
___________________CUAJ-Canadian Urological Association Journal
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Submitted on: 13 November 2001.
Revised on: 28 January 2002.
Accepted on: 24 March 2002.
___________________CUAJ-Canadian Urological Association Journal
Submitted on: 05 July 2005.
Revised on: 08 October 2005.
Accepted on: 13 November 2005.
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Submitted on: 27 July 2004.
Revised on: 02 October 2004.
Accepted on: 30 November 2004.
___________________CUAJ-Canadian Urological Association Journal