- Correspondence to Dr Chris Gale, Imperial Clinical Trials Unit and section of Neonatal Medicine, Imperial College London, Chelsea and Westminster Hospital Campus, 369 Fulham Road, London, SW10 9NH, UK;
- Received 27 October 2015
- Revised 10 February 2016
- Accepted 23 March 2016
- Published online 20 September 2016.
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