- Correspondence to Dr Giuseppe Lauria, 3rd Neurology Unit, Motor Neuron Diseases Centre, IRCCS Foundation, “Carlo Besta” Neurological Institute, Via Celoria, 11, Milan 20133, Italy;
- Received December 17, 2014
- Revised March 11, 2015
- Accepted March 30, 2015
- First published April 17, 2015.
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