- Correspondence to Dr Giovanni Defazio, Department of Neuroscience and Sensory Organs, ‘Aldo Moro’ University of Bari, Piazza Giulio Cesare, Bari 2-70124, Italy;
- Received July 31, 2012
- Revised September 21, 2012
- Accepted October 10, 2012
- First published November 10, 2012.
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