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Submitted on: 02 October 2003.
Revised on: 14 November 2003.
Accepted on: 10 December 2003.
___________________Healthcare Technology Letters---WILEY
Submitted on: 20 November 2004.
Revised on: 13 December 2004.
Accepted on: 02 January 2005.
___________________Healthcare Technology Letters---WILEY
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Submitted on: 23 March 2000.
Revised on: 19 May 2000.
Accepted on: 25 June 2000.
___________________Healthcare Technology Letters---WILEY
Submitted on: 13 January 2020.
Revised on: 16 March 2020.
Accepted on: 03 May 2020.
___________________Healthcare Technology Letters---WILEY
Submitted on: 14 September 1999.
Revised on: 29 December 1999.
Accepted on: 08 February 2000.
___________________Healthcare Technology Letters---WILEY