Hanna Esmée S, Dingwall Robert, McCartney Margaret, West Robert, Townsend Ellen, Cassell Jackie, Martin Graham
De Montfort University, Leicester LE1 9BH, UK.
Nottingham Trent University, Nottingham, UK.
BMJ. 2020 Oct 1;371:m3782. doi: 10.1136/bmj.m3782.