- Correspondence to Anne Pavy-Le Traon, MSA Reference Center, Department of Neurology, University Hospital of Toulouse, Hospital Pierre-Paul Riquet, Place du Dr Baylac, Toulouse 31900, France;
- Received December 7, 2014
- Revised April 15, 2015
- Accepted April 21, 2015
- First published May 14, 2015.
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