- Correspondence to Dr Steffen E Petersen, National Institute for Health Research Cardiovascular Biomedical Research Unit at Barts, William Harvey Research Institute, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, UK;
- Received August 27, 2016
- Revised November 29, 2016
- Accepted December 2, 2016
- First published January 11, 2017.
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