- Correspondence to Dr Davide Ferrazzoli, Department of Parkinson’s disease, Movement Disorders and Brain Injury Rehabilitation, ‘Moriggia-Pelascini’ Hospital, Gravedona ed Uniti 22015, Italy;
- Received May 14, 2017
- Revised November 21, 2017
- Accepted December 11, 2017
- First published January 10, 2018.
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