- Correspondence to Dr Angelika Alonso, Department of Neurology, Universitätsklinikum Mannheim, Theodor Kutzer Ufer 1–3, 68167 Mannheim, Germany;
- Received June 5, 2009
- Revised August 5, 2009
- Accepted August 8, 2009
- First published June 25, 2010.
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