- Correspondence to Dr V La Bella, Neurology Unit, Department of Experimental BioMedicine and Clinical Neurosciences, BioNeC, University of Palermo, Via G La Loggia, 1–90129 Palermo, Italy;
- Received March 12, 2013
- Revised April 10, 2013
- Accepted April 20, 2013
- First published May 21, 2013.
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