- Correspondence to Dr Dilshad Marikar, Paediatric Emergency Medicine Leicester Academic (PEMLA) group, Leicester Royal Infirmary, Infirmary Square, Leicester LE1 5WW, UK;
- Received 9 February 2017
- Revised 5 August 2017
- Accepted 10 August 2017
- Published online 12 October 2017.
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