Lewin, Simon Arnold; Booth, Andrew; Glenton, Claire; Munthe-Kaas, Heather Menzies; Rashidian, Arash; Wainwright, Megan; Bohren, Meghan; Tunçalp, Özge; Colvin, Christopher J.; Garside, Ruth; Carlsen, Benedicte; Langlois, Etienne V.; Noyes, Jane (Peer reviewed; Journal article, 2018)