A protocol for the Heart Matters stepped wedge cluster randomised trial: The effectiveness of heart attack education in regions at highest-risk oleh Janet E. Bray, Ziad Nehme, Judith C. Finn, Jessica Kasza, Robyn A. Clark, Dion Stub, Dominique A. Cadilhac, Amanda K. Buttery, Janelle Woods, Joosup Kim, Ben J. Smith, Karen Smith, Susie Cartledge, Alison Beauchamp, Natasha Dodge, Tony Walker, Elizabeth Flemming-Judge, Clara Chow, Mary Stewart, Nicholas Cox, William van Gaal, Voltaire Nadurata, Peter Cameron