Authors: Craig R Ramsay; Jan E Clarkson; Anne Duncan; Thomas J Lamont; Peter A Heasman; Dwayne Boyers; Beatriz Goulão; Debbie Bonetti; Rebecca Bruce; Jill Gouick; Lynne Heasman; Laura A Lovelock-Hempleman; Lorna E Macpherson; Giles I McCracken; Alison M McDonald; Fiona McLaren-Neil; Fiona E Mitchell; John Dt Norrie; Marjon van der Pol; Kirsty Sim; James G Steele; Alex Sharp; Graeme Watt; Helen V Worthington; Linda Young Journal: Health Technol Assess Date: 2018-07 Impact factor: 4.014