“…After the title–abstract screening of 1,122 studies, full-text screening of the remaining 164 studies took place for assessing eligibility. Finally, 30 studies were included and reviewed (Akmatov et al, 2008; Al-Badayneh, 2012; Al-Faris et al, 2013; Ali et al, 2014; Alsaleh, 2015; Al-Tawil, 2012; Alzahrani et al, 2016; Barnawi, 2017; Clark et al, 2010; Clark, Hill, et al, 2009; Clark, Silverman, et al, 2009; Eldoseri et al, 2014; Fageeh, 2014; Guimei et al, 2012; Haj-Yahia, 2000a; Haj-Yahia & Clark, 2013; Hammoury & Khawaja, 2007; Hammoury et al, 2009; Jellali & Jellali, 2015; Karadsheh & Al-Khatatneh, 2007; Lafta et al, 2009; Lenze & Klasen, 2016; Manoudi et al, 2013; Maziak & Asfar, 2003; Okour & Badarneh, 2011; Oweis et al, 2010; Safadi et al, 2018; Shiraz, 2016; Sousa & Haj-Yahia, 2015; Tashkandi & Rasheed, 2010).…”