- Correspondence to Dr A A Tieleman, Neuromuscular Centre Nijmegen, Department of Neurology (935), Radboud University Nijmegen Medical Centre, PO Box 9101, 6500 HB, Nijmegen, The Netherlands;
- Received 24 June 2008
- Revised 12 November 2008
- Accepted 19 November 2008
- Published in print 1 November 2009.
- Published online 28 October 2009.
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