Authors: Paul Noel Brennan; Mark MacMillan; Thomas Manship; Francesca Moroni; Alison Glover; Catriona Graham; Scott Semple; David M Morris; Alasdair R Fraser; Chloe Pass; Neil W A McGowan; Marc L Turner; Neil Lachlan; John F Dillon; John D M Campbell; Jonathan Andrew Fallowfield; Stuart J Forbes Journal: BMJ Open Date: 2021-11-08 Impact factor: 2.692