“…The full text of the other 48 records were reviewed and 15 records were omitted due to the following reasons: duplicated data (n = 2), conference report (n = 2), review paper (n = 2), nonhuman clinical trials (n = 3), nonrandomized sampling (n = 2), and Chinese herbal medicine (n = 4). Finally, 33 records fulfilled the inclusion criteria and were carefully considered for data extraction (Amanlou et al, 2007; Andishe Tadbir et al, 2015; Arafa et al, 2018; Atanasovska Stojanovska et al, 2014; Babadi & Nabhani, 2019; Babaee et al, 2010; Babaee et al, 2012; Bhalang et al, 2013; Bratel et al, 2005; Darakhshan et al, 2019; Deshmukh & Bagewadi, 2014; Du et al, 2018; Eslami Raveshty & Eslami Raveshty, 2011; Garnick et al, 1998; Gavanji et al, 2014; Ghalayani et al, 2013; Haghpanah et al, 2015; Hamdy & Ibrahem, 2010; Jafari et al, 2003; Jiang et al, 2012, 2013; Kia et al, 2020; Kolseth et al, 2005; Manifar et al, 2012; Mansour et al, 2014; Nasry et al, 2016; Pandya et al, 2017; Pedersen et al, 1990; Raman et al, 2020; Rodriguez‐Archilla & Raissouni, 2017; Samet et al, 2007; Seyyedi et al, 2014; Tavangar et al, 2019).…”