Roland Damian T, Rowland Andrew, Cotterill Sarah, Heal Calvin, Woby Steve, Garratt Natalie, Brown Stephen, Long Tony
Children's Emergency Department, Leicester Royal Infirmary, Leicester LE1 5UE, UK.
Pennine Acute Hospitals NHS Trust, Emergency Department, Manchester M8 5RB, UK.
BMJ. 2019 Oct 31;367:l6226. doi: 10.1136/bmj.l6226.