- Correspondence to: R C Dodel Department of Neurology, Friedrich-Wilhelms-University, Sigmund-Freudstr. 25, 53105 Bonn, Germany;
- Received 27 November 2003
- Accepted 9 April 2004
- Revised 22 March 2004
- Published in print 1 October 2004.
- Published online 16 September 2004.
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