Partial loss-of-function changes in STAR and CYP11A1 can present with a less severe phenotype akin to our disease of interest, familial or isolated glucocorticoid deficiency (FGD) (Baker et al. 2006, Metherell et al. 2009, Rubtsov et al. 2009, Sahakitrungruang et al. 2010, 2011, Parajes et al. 2011). This evidence concerns the gene STAR and Aarskog-Scott syndrome, X-linked.