- Correspondence to Dr Selma Aybek, Department of Neurology, Clinical Neurosciences Department, University Hospital (CHUV), Service de Neurologie- BH13, Bugnon 44, Lausanne 1011, Switzerland;
- Received November 17, 2012
- Revised January 23, 2013
- Accepted February 5, 2013
- First published March 6, 2013.
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