- Correspondence to: Dr Bastiaan R Bloem Department of Neurology (935), Radboud University Nijmegen Medical Centre, PO Box 9101, 6500 HB, Nijmegen, the Netherlands;
- Received August 15, 2006
- Accepted October 24, 2006
- Revised October 24, 2006
- First published November 10, 2006.
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