- Correspondence to Dr Sallie Baxendale, Department of Neuropsychology (Box 37), National Hospital for Neurology & Neurosurgery, Queen Square, London WC1N 3BG, UK;
- Accepted 24 April 2012
- Published in print 1 December 2012.
- Published online 29 November 2012.
- Published first 21 May 2012.
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