Submitted on: 18 October 1999.
Revised on: 18 January 2000.
Accepted on: 24 February 2000.
___________________International Journal of Surgery Open
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Submitted on: 09 April 2002.
Revised on: 08 June 2002.
Accepted on: 23 July 2002.
___________________International Journal of Surgery Open
Submitted on: 11 October 2014.
Revised on: 28 November 2014.
Accepted on: 26 January 2015.
___________________International Journal of Surgery Open
Submitted on: 28 June 2020.
Revised on: 03 August 2020.
Accepted on: 17 September 2020.
___________________International Journal of Surgery Open
Submitted on: 28 April 2021.
Revised on: 13 June 2021.
Accepted on: 30 July 2021.
___________________International Journal of Surgery Open