- Correspondence to Dr Ursula Schulz, Stroke Prevention Research Unit, Nuffield Department of Clinical Neurosciences, Level 6, West Wing, John Radcliffe Hospital, Oxford, OX3 9DU, UK;
- Received 1 December 2015
- Revised 18 March 2016
- Accepted 22 March 2016
- Published in print 1 January 2017.
- Published online 15 December 2016.
- Published first 12 April 2016.
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