Authors: Alison Birtle, Mark Johnson, John Chester, Robert J. Jones, David Dolling, Richard T. Bryan, Christopher Harris, Andrew Winterbottom, Anthony Blacker, James W.F. Catto, Prabir Chakraborti, Jenny Donovan, Paul Anthony Elliott, Ann French, Satinder Jagdev, Benjamin Jenkins, Francis X. Keeley, Roger Kockelbergh, Thomas Powles, John Wagstaff, Caroline Wilson, Rachel Todd, Rebecca Lewis, Emma Hall - The Lancet 2020 cited by 527