NCF2 and chronic granulomatous disease: Many variants in the NCF2 gene leading to CGD with a range in severity have been identified (Table 2) (AlKhater, 2019; Baba et al., 2014; Badalzadeh et al., 2012; Bakri et al., 2009; Ben‐Farhat et al., 2016; Chou et al., 2015; El Kares et al., 2006; Gentsch et al., 2010; Kannengiesser et al., 2008; Koker et al., 2009, 2013; Martel et al., 2012; Raptaki et al., 2013; Roesler et al., 2012; Roos et al., 2014; Teimourian, de Boer, & Roos, 2010; Vignesh et al., 2017; Wu, Wang, Zhang, & Chen, 2017).