“…These 379 studies with their full text were retrieved and reviewed for eligibility, and 300 were excluded because of ineligible study design and outcome measures. The 79 studies met all the criteria, and these were selected for initial inclusion; after review, a total of 36 articles (Kotila et al, 1998; Pohjasvaara et al, 1998; Aben et al, 2002, 2006; Carota et al, 2005; Tang et al, 2005, 2011; Leentjens et al, 2006; Storor and Byrne, 2006; Brodaty et al, 2007; Lee et al, 2007; Lindén et al, 2007; van de Port et al, 2007; Fuentes et al, 2009; Jimenez et al, 2009; Schepers et al, 2009; Snaphaan et al, 2009; Farner et al, 2010; Ayerbe et al, 2011; Altieri et al, 2012; de Man-van Ginkel et al, 2013; Yang et al, 2013, 2015; Zhang et al, 2013; De Ryck et al, 2014a,b; Li et al, 2014; Ahn et al, 2015; Lewin-Richter et al, 2015; Shi et al, 2015; van Mierlo et al, 2015; Koh et al, 2016; Kootker et al, 2016; Malhotra et al, 2016; Metoki et al, 2016; Tsai et al, 2016) were included in the final analysis ( Figure 1 ).…”