Farquharson, Barbara, Johnston, Marie, Smith, Karen, Williams, Brian, Treweek, Shaun, Dombrowski, Stephan U, Dougall, Nadine, Abhyankar, Purva, Grindle, Mark, "Reducing patient delay in Acute Coronary Syndrome (RAPiD): research protocol for a web-based randomized controlled trial examining the effect of a behaviour change intervention", Journal of Advanced Nursing, 2017