Submitted on: 14 April 2004.
Revised on: 13 May 2004.
Accepted on: 04 June 2004.
Multiple Sclerosis Journal---SAGE PUBLICATIONS LTD
Submitted on: 14 July 2003.
Revised on: 27 July 2003.
Accepted on: 21 August 2003.
Multiple Sclerosis Journal---SAGE PUBLICATIONS LTD
Submitted on: 26 November 2008.
Revised on: 24 December 2008.
Accepted on: 06 January 2009.
Multiple Sclerosis Journal
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Submitted on: 25 August 2009.
Revised on: 12 September 2009.
Accepted on: 09 October 2009.
Multiple Sclerosis Journal
Submitted on: 26 February 2005.
Revised on: 20 March 2005.
Accepted on: 27 March 2005.
Multiple Sclerosis Journal---SAGE PUBLICATIONS LTD
Submitted on: 10 April 1998.
Revised on: 23 May 1998.
Accepted on: 08 June 1998.
Multiple Sclerosis Journal---SAGE PUBLICATIONS LTD