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Submitted on: 09 January 2008.
Revised on: 02 May 2008.
Accepted on: 13 June 2008.
___________________INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES
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Submitted on: 13 November 1999.
Revised on: 22 February 2000.
Accepted on: 19 April 2000.
___________________INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES
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Submitted on: 02 June 2016.
Revised on: 12 July 2016.
Accepted on: 24 July 2016.
___________________INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES
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