Practice change intervention to improve antenatal care addressing alcohol consumption during pregnancy: a randomised stepped-wedge controlled trial

Emma Doherty, Melanie Kingsland, Elizabeth J. Elliott, Belinda Tully, Luke Wolfenden, Adrian Dunlop, Ian Symonds, John Attia, Sarah Ward, Mandy Hunter, Carol Azzopardi, Chris Rissel, Karen Gillham, Tracey W. Tsang, Penny Reeves, John Wiggers