- Correspondence to Dr Malcolm Brodlie, MRC Clinician Scientist/Honorary Consultant in Paediatric Respiratory Medicine, Level 3, Clinical Resource Building, Great North Children’s Hospital, Queen Victoria Road, Newcastle upon Tyne, NE1 4LP, UK;
- Received 8 May 2017
- Revised 30 June 2017
- Accepted 7 July 2017
- Published in print 1 November 2017.
- Published online 20 October 2017.
- Published first 5 August 2017.
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