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Submitted on: 29 September 2012.
Revised on: 23 January 2013.
Accepted on: 24 February 2013.
___________________Current Urology---LIPPINCOTT WILLIAMS & WILKINS
Submitted on: 19 September 2018.
Revised on: 10 October 2018.
Accepted on: 20 November 2018.
___________________Current Urology---LIPPINCOTT WILLIAMS & WILKINS
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