- Correspondence to Dr Anthony Richard Hart, Department of Paediatric and Neonatal Neurology, Sheffield Children’s Hospital NHS Foundation Trust, Ryegate Children’s Centre, Tapton Crescent Road, Sheffield S10 5DD, UK;
- Received 6 February 2017
- Revised 16 May 2017
- Accepted 25 May 2017
- Published in print 1 November 2017.
- Published online 20 October 2017.
- Published first 22 July 2017.
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