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Submitted on: 20 May 2000.
Revised on: 18 August 2000.
Accepted on: 17 October 2000.
___________________Archives of Pediatric Infectious Diseases
Submitted on: 24 July 2013.
Revised on: 19 October 2013.
Accepted on: 09 November 2013.
___________________Archives of Pediatric Infectious Diseases
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Submitted on: 01 September 2006.
Revised on: 22 December 2006.
Accepted on: 10 January 2007.
___________________Archives of Pediatric Infectious Diseases
Submitted on: 29 December 2018.
Revised on: 03 March 2019.
Accepted on: 25 March 2019.
___________________Archives of Pediatric Infectious Diseases