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Correction to: Journal of Cerebral Blood Flow & Metabolism (2014) 34, 989–994; doi: 10.1038/jcbfm.2014.46; published online 19 March 2014
Following the online publication of this article, the authors noticed that the funding information was incomplete. The Acknowledgment section should also indicate: ‘The authors wish to thank the NIHR-Wellcome Trust Imperial Clinical Research Facility for study support.'
