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Submitted on: 26 June 2003.
Revised on: 13 October 2003.
Accepted on: 08 December 2003.
___________________JOURNAL OF CLINICAL EPIDEMIOLOGY
Submitted on: 11 August 2019.
Revised on: 03 December 2019.
Accepted on: 01 February 2020.
___________________JOURNAL OF CLINICAL EPIDEMIOLOGY
Submitted on: 08 February 2019.
Revised on: 19 April 2019.
Accepted on: 14 June 2019.
___________________JOURNAL OF CLINICAL EPIDEMIOLOGY
Submitted on: 08 October 2012.
Revised on: 20 January 2013.
Accepted on: 05 March 2013.
___________________JOURNAL OF CLINICAL EPIDEMIOLOGY
Submitted on: 19 June 2010.
Revised on: 01 September 2010.
Accepted on: 26 September 2010.
___________________JOURNAL OF CLINICAL EPIDEMIOLOGY
Submitted on: 18 April 2018.
Revised on: 01 August 2018.
Accepted on: 04 September 2018.
___________________JOURNAL OF CLINICAL EPIDEMIOLOGY
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Submitted on: 29 October 1998.
Revised on: 04 January 1999.
Accepted on: 12 February 1999.
___________________JOURNAL OF CLINICAL EPIDEMIOLOGY
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