- Correspondence to: A Vinck Department of Pediatric Neurology, Radboud University Nijmegen Medical Centre, St Radboud, PO Box 9101, 6500 HB Nijmegen, The Netherlands;
- Received July 13, 2005
- Accepted May 1, 2006
- Revised April 25, 2006
- First published May 11, 2006.
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