“…From these 19 systematic reviews, three (Kuo 2006, Pepper & Towsley 2007, Voshall et al 2013) were found to be methodologically weak (AMSTAR < 5) and were subsequently excluded. A total of 16 reviews ranging from high to medium quality were eligible for inclusion, including four each from Australia (Hodgkinson et al 2006, Manias et al 2012, 2014, Raban & Westbrook 2014; and the United Kingdom (Conroy et al 2007, Wimpenny & Kirkpatrick 2010, Alsulami et al 2012, Keers et al 2014; two each from the United States (Gonzales 2010, Ohashi et al 2014; and Netherlands (D€ uckers et al 2009(D€ uckers et al , Maaskant et al 2015; and one each from Canada (Wulff et al 2011); Germany (Hopkinson & Jennings 2013); Ghana (Acheampong et al 2014) and Sweden (Kullberg et al 2013).…”