Submitted on: 08 November 2000.
Revised on: 22 February 2001.
Accepted on: 17 March 2001.
___________________Journal of Rheumatic Diseases---KOREAN COLL RHEUMATOLOGY
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Submitted on: 05 September 2006.
Revised on: 26 December 2006.
Accepted on: 17 January 2007.
___________________Journal of Rheumatic Diseases---KOREAN COLL RHEUMATOLOGY
Submitted on: 07 February 2013.
Revised on: 29 March 2013.
Accepted on: 03 May 2013.
___________________Journal of Rheumatic Diseases---KOREAN COLL RHEUMATOLOGY
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