- Correspondence to Dr Sybil R L Stacpoole, Department of Neurology, Peterborough City Hospital, Peterborough and Stamford Hospitals NHS Foundation Trust, Edith Cavell Campus, Bretton Gate, Bretton, Peterborough PE3 9GZ, UK;
- Accepted April 25, 2017
- First published June 16, 2017.
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