- Correspondence to Dr J M F Niermeijer, Department of Neurology and Rudolf Magnus Institute of Neurosciences, University Medical Center Utrecht, Room C03.236, PO Box 85500, 3508 GA Utrecht, The Netherlands;
- Received June 5, 2008
- Revised July 14, 2008
- Accepted July 27, 2008
- First published August 14, 2009.
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