Submitted on: 31 January 2004.
Revised on: 23 February 2004.
Accepted on: 01 April 2004.
___________________Journal of Pediatric Genetics---GEORG THIEME VERLAG KG
Submitted on: 24 April 2008.
Revised on: 14 June 2008.
Accepted on: 20 July 2008.
___________________Journal of Pediatric Genetics---GEORG THIEME VERLAG KG
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