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Submitted on: 24 April 2009.
Revised on: 07 June 2009.
Accepted on: 25 July 2009.
___________________Journal of Scleroderma and Related Disorders
Submitted on: 09 April 2008.
Revised on: 20 May 2008.
Accepted on: 10 June 2008.
___________________Journal of Scleroderma and Related Disorders