Submitted on: 04 March 2002.
Revised on: 04 April 2002.
Accepted on: 27 May 2002.
___________________Journal of Surgical Education---ELSEVIER SCIENCE INC
Submitted on: 29 May 2004.
Revised on: 07 September 2004.
Accepted on: 07 October 2004.
___________________Journal of Surgical Education---ELSEVIER SCIENCE INC
Submitted on: 28 January 2020.
Revised on: 06 March 2020.
Accepted on: 24 April 2020.
___________________Journal of Surgical Education---ELSEVIER SCIENCE INC
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Submitted on: 17 October 2015.
Revised on: 18 January 2016.
Accepted on: 06 March 2016.
___________________Journal of Surgical Education---ELSEVIER SCIENCE INC
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