“…Fifteen articles met our inclusion criteria, which represented 12 independent studies (Boet et al, 2013;Crofts et al, 2007Crofts et al, , 2008Daniels et al, 2010;Ellis et al, 2008;Frengley et al, 2011;Jankouskas, Haidet, Hupcey, Kolanowski, & Murray, 2011;LeFlore & Anderson, 2009;Miller, Crandall, Washington, & McLaughlin, 2012;Phipps et al, 2012;Riley et al, 2011;Shapiro et al, 2004;Siassakos, Draycott, Montague, & Harris, 2009;Thomas et al, 2007Thomas et al, , 2010. Four of the articles included in the review were companion reports from the UK SaFE trial and, together were considered one independent study (Crofts et al, 2007Ellis et al, 2008;Siassakos et al, 2009).…”