Submitted on: 14 November 2016.
Revised on: 09 December 2016.
Accepted on: 23 January 2017.
___________________Chirurgia-Italy---EDIZIONI MINERVA MEDICA
Submitted on: 05 August 2006.
Revised on: 29 August 2006.
Accepted on: 05 October 2006.
___________________Chirurgia-Italy---EDIZIONI MINERVA MEDICA
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Submitted on: 16 November 2008.
Revised on: 29 January 2009.
Accepted on: 28 February 2009.
___________________Chirurgia-Italy---EDIZIONI MINERVA MEDICA
Submitted on: 12 March 1999.
Revised on: 12 May 1999.
Accepted on: 14 June 1999.
___________________Chirurgia-Italy---EDIZIONI MINERVA MEDICA
Submitted on: 07 March 2019.
Revised on: 25 May 2019.
Accepted on: 06 June 2019.
___________________Chirurgia-Italy---EDIZIONI MINERVA MEDICA