Authors: Claire M Rickard; Nicole Marsh; Joan Webster; E Geoffrey Playford; Matthew R McGrail; Emily Larsen; Samantha Keogh; David McMillan; Jennifer A Whitty; Md Abu Choudhury; Kimble R Dunster; Heather Reynolds; Andrea Marshall; Julia Crilly; Jeanine Young; Ogilvie Thom; John Gowardman; Amanda Corley; John F Fraser Journal: BMJ Open Date: 2015-09-23 Impact factor: 2.692