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Submitted on: 09 October 2001.
Revised on: 15 November 2001.
Accepted on: 03 January 2002.
___________________Health Informatics Journal---SAGE PUBLICATIONS INC
Submitted on: 30 January 2023.
Revised on: 19 March 2023.
Accepted on: 26 April 2023.
___________________Health Informatics Journal---SAGE PUBLICATIONS INC
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