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Submitted on: 07 September 2012.
Revised on: 23 November 2012.
Accepted on: 20 January 2013.
___________________Current Rheumatology Reports---SPRINGER
Submitted on: 19 March 2008.
Revised on: 16 June 2008.
Accepted on: 16 July 2008.
___________________Current Rheumatology Reports---SPRINGER
Submitted on: 31 May 2006.
Revised on: 16 August 2006.
Accepted on: 15 October 2006.
___________________Current Rheumatology Reports---SPRINGER
Submitted on: 24 November 2014.
Revised on: 11 January 2015.
Accepted on: 12 March 2015.
___________________Current Rheumatology Reports---SPRINGER
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