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Submitted on: 22 July 2007.
Revised on: 12 October 2007.
Accepted on: 24 October 2007.
___________________EUROPEAN JOURNAL OF CLINICAL INVESTIGATION
Submitted on: 24 January 2011.
Revised on: 06 May 2011.
Accepted on: 19 June 2011.
___________________EUROPEAN JOURNAL OF CLINICAL INVESTIGATION
Submitted on: 30 June 2002.
Revised on: 28 September 2002.
Accepted on: 16 November 2002.
___________________EUROPEAN JOURNAL OF CLINICAL INVESTIGATION