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Contributors All three authors contributed around 600 words to the first draft. All three editors have been involved in commenting and improving successive drafts, with Dr Spencer having editorial control.
Competing interests Dr Spencer is Clinical Director for the West Midland Strategic Clinical Network for Maternity and Children. Dr Ewing is the Royal College of Paediatrics and Child Health Officer for Workforce Planning and is also working as a clinical adviser on an interim basis with the Greater Manchester, Lancashire and South Cumbria Strategic Clinical Networks and Senate.
Provenance and peer review Commissioned; externally peer reviewed.
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