A practice change intervention to improve antenatal care addressing alcohol consumption by women during pregnancy: research protocol for a randomised stepped-wedge cluster trial

- Kingsland, Melanie; Doherty, Emma; Bennett, Nicole; Hunter, Mandy; Ward, Sarah; Reeves, Penny; Symonds, Ian; Rissel, Chris; Azzopardi, Carol; Searles, Andrew; Gillham, Karen; Elliott, Elizabeth J.; Anderson, Amy E.; Wiggers, John; Crooks, Kristy; Tully, Belinda; Tremain, Danika; Tsang, Tracey W.; Attia, John; Wolfenden, Luke; Dunlop, Adrian J.