“…No articles were included after the search in the OpenGrey. Thus, 24 studies were included in this systematic review and meta‐analysis (Alanzi et al., 2019; Barbero, Garzino Demo, Milanesio, & Ottobrelli, 1996; Davidovich et al., 2013; Ferrazzano, Sangianantoni, Cantile, Iorio, & Ingenito, 2013; Gazhva et al., 2018; Ghapanchi, Emami, Rezazadeh, Shakibasefat, & Pirbonyeh, 2019; Guggenheimer, Eghtesad, Close, Shay, & Fung, 2007; Helenius‐Hietala et al., 2013; Hicks, 2015; Kauffels et al, 2017; Lin, Lin, & Chen, 2003; Lins et al., 2011, 2017; Lins & Falcão, 2012; Magalhães, 2009; Olczak‐Kowalczyk, Gozdowski, Pawlowska, & Grenda, 2012; Panov & Krasteva, 2011; Ramaglia et al, 2019; Sandoval et al., 2017; Schmalz, Meisel, et al, 2018; Schmalz, Wendorff, et al, 2018; Sheehy et al., 2000; Shiboski et al., 2009; Silva Santos et al, 2012) (Figure 1). The list of the six studies excluded (Buzea, Cuculescu, Podoleanu, Preoteasa, & Ranga, 2009; Funakoshi, Ohshita, Moritani, & Hieda, 1992; Grønkjær et al, 2016; Savoldi, Rolfi, Majorana, & Alberti, 1997; Seow, Shepherd, & Ong, 1991; Wondimu, Németh, & Modéer, 2001) in Stage 2 and the reasons for exclusion are described in the Supplementary File .…”