“…Of the 12 included studies, nine studies were from developed countries, including six from the United States (Andreessen, Wilde, & Herendeen, 2012;Clarke et al, 2013;Davies et al, 2018;Theobald, Resnick, Spain, Dittus, & Roumie, 2017;Wald & Kramer, 2011), two from Switzerland (Sax et al, 2016;Ste´phan et al, 2006) and one from Canada (Norman, Ramsden, Ginty, & Sinha, 2017). The remaining three studies (6 articles) were conducted in developing countries, including Turkey , Lebanon , Philippines , Brazil (Andrioli, Furtado, & Medeiros, 2016), Kenya (Tillekeratne et al, 2014), and a multi-national study conducted in 15 developing countries .…”