Authors: Alison Birtle; Mark Johnson; John Chester; Robert Jones; David Dolling; Richard T Bryan; Christopher Harris; Andrew Winterbottom; Anthony Blacker; James W F Catto; Prabir Chakraborti; Jenny L Donovan; Paul Anthony Elliott; Ann French; Satinder Jagdev; Benjamin Jenkins; Francis Xavier Keeley; Roger Kockelbergh; Thomas Powles; John Wagstaff; Caroline Wilson; Rachel Todd; Rebecca Lewis; Emma Hall Journal: Lancet Date: 2020-03-05 Impact factor: 79.321