- Correspondence to Dr Irene Colombo, Neuromuscular and Rare Disease Unit, Department of Neuroscience, Foundation IRCCS Ca’ Granda Ospedale Maggiore Policlinico, University of Milan, Via F Sforza 35, Milano 20122, Italy; IC and SP contributed equally to this manuscript.
- Received February 6, 2015
- Revised July 2, 2015
- Accepted July 6, 2015
- First published July 22, 2015.
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