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Submitted on: 20 May 2013.
Revised on: 17 August 2013.
Accepted on: 30 August 2013.
___________________Health Services Research and Managerial Epidemiology
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Submitted on: 08 November 2014.
Revised on: 30 November 2014.
Accepted on: 22 December 2014.
___________________Health Services Research and Managerial Epidemiology
Submitted on: 26 October 2022.
Revised on: 12 December 2022.
Accepted on: 10 January 2023.
___________________Health Services Research and Managerial Epidemiology
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Submitted on: 02 December 2003.
Revised on: 24 February 2004.
Accepted on: 30 March 2004.
___________________Health Services Research and Managerial Epidemiology
Submitted on: 26 December 2022.
Revised on: 23 March 2023.
Accepted on: 10 May 2023.
___________________Health Services Research and Managerial Epidemiology
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