http://orcid.org/0000-0003-0320-9945Rachel McGalliard1,2, Kimberley Hallam2, Sam Townley2, Shrouk Messahel2, http://orcid.org/0000-0003-0163-3646Charlotte Lucy Durand2 1Academic Training, Institute in the Park, Alder Hey, Liverpool, UK 2Paediatric Emergency Department, Alder Hey Children's NHS Foundation Trust, Liverpool, UK Correspondence to Dr Rachel McGalliard, Institute in the Park, Liverpool L12 2AP, UK; r.mcgalliard{at}doctors.org.uk Statistics from Altmetric.com Request Permissions If...