Submitted on: 28 March 2001.
Revised on: 11 May 2001.
Accepted on: 17 May 2001.
Multiple Sclerosis Journal
Submitted on: 24 March 2020.
Revised on: 04 May 2020.
Accepted on: 16 May 2020.
Multiple Sclerosis Journal---SAGE PUBLICATIONS LTD
Submitted on: 06 May 2000.
Revised on: 09 June 2000.
Accepted on: 22 June 2000.
Multiple Sclerosis Journal---SAGE PUBLICATIONS LTD
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Submitted on: 06 August 2005.
Revised on: 03 September 2005.
Accepted on: 18 September 2005.
Multiple Sclerosis Journal---SAGE PUBLICATIONS LTD
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