“…Table 2 describes the characteristics of the fourteen included studies. They were published between 2007 and 2017 in five countries: Hong Kong, China (Tse et al, 2007), Japan (Sato et al, 2008), United States (Bell et al, 2011; Delgado-Guay et al, 2009; Gabriel et al, 2017; Peltier et al, 2017; Rhondali et al, 2013; Shuman et al, 2013; Wiesenthal et al, 2017), Australia (Stein et al, 2013), and Taiwan (Huang et al, 2017; Kao et al, 2014; Loke et al, 2011; Wu et al, 2016). Of the 14 studies, two adopted randomized controlled trail designs and 12 used retrospective chart review designs.…”