Author B. Torlinska J. Hazlehurst K. Nirantharakumar G. Thomas J. Priestley S. Finnikin P. Saunders K. Abrams K. Boelaert Year of Publication 2021 DOI 10.1136/bmjopen-2021-055219 DOIGoogle ScholarBibTeXEndNote X3 XMLEndNote 7 XMLEndnote taggedMarcRIS