- Correspondence to Dr Pascal Meier, Yale–UCL Cardiovascular Research Program, The Heart Hospital, University College London Hospitals, UCLH16-18 Westmoreland Street, London W1G 8PH, UK;
- Received June 3, 2013
- Revised June 4, 2013
- Accepted June 6, 2013
- First published June 21, 2013.
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