Submitted on: 18 July 2002.
Revised on: 30 September 2002.
Accepted on: 26 October 2002.
___________________JAMA Surgery---AMER MEDICAL ASSOC
Submitted on: 03 May 2007.
Revised on: 01 August 2007.
Accepted on: 29 August 2007.
___________________JAMA Surgery---AMER MEDICAL ASSOC
Submitted on: 09 July 1999.
Revised on: 24 August 1999.
Accepted on: 09 October 1999.
___________________JAMA Surgery---AMER MEDICAL ASSOC
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Submitted on: 29 April 2002.
Revised on: 10 August 2002.
Accepted on: 11 September 2002.
___________________JAMA Surgery---AMER MEDICAL ASSOC
Submitted on: 17 April 2024.
Revised on: 28 June 2024.
Accepted on: 10 July 2024.
___________________JAMA Surgery---AMER MEDICAL ASSOC
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Submitted on: 11 March 2011.
Revised on: 25 May 2011.
Accepted on: 25 June 2011.
___________________JAMA Surgery---AMER MEDICAL ASSOC
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