- Correspondence to Dr Hayrettin Tumani, Department of Neurology, University of Ulm, Oberer Eselsberg 45, Ulm 89081, Germany;
- Received 18 September 2009
- Accepted 20 November 2009
- Published in print 1 August 2010.
- Published online 3 August 2010.
- Published first 3 December 2009.
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