“…The articles were published between 1986 and 2020. Six came from the United States (Al Agili et al, 2004;Becker et al, 2009;Bennett et al, 2018;Cassell et al, 2013Cassell et al, , 2014Zaluzec et al, 2019), two from Vietnam (Swanson et al, 2017;Yao et al, 2016), three from various countries (Adetayo et al, 2012;Carlson et al, 2016;Massenburg et al, 2016), one from Australia (Woincham et al, 2015), one from South Wales (Bhatia & Collard, 2012), one from Sri Lanka (Amaratunga, 1986), one from Brazil (Ise et al, 2019), and one from Nepal (Lindeborg et al, 2020). Regarding the type of study, all were observational studies (Table 1).…”