- Correspondence to Dr Markus Gschwind, Neurology Service BH13, Department of Clinical Neuroscience, Center Hospitalier Universitaire Vaudois (CHUV), University of Lausanne, Rue du Bugnon 46, Lausanne CH-1011, Switzerland;
- Received May 22, 2012
- Revised July 7, 2012
- Accepted July 12, 2012
- First published August 9, 2012.
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