Submitted on: 14 May 2002.
Revised on: 04 August 2002.
Accepted on: 29 September 2002.
___________________Clinical Diabetology---VIA MEDICA
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Submitted on: 22 October 2003.
Revised on: 11 December 2003.
Accepted on: 11 January 2004.
___________________Clinical Diabetology---VIA MEDICA
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