Fig. 2From: Postnatal relative adrenal insufficiency results in methylation of the glucocorticoid receptor gene in preterm infants: a retrospective cohort studyHeat map of GR 1F promoter methylation at 2 months old. Patients who received a glucocorticoid for circulatory collapse (Gc circ), whose bodyweights were less than − 2 SD (BW < − 2 SD), and who were not administered an antenatal steroid (AS) are marked by the double circle in the right area of the heat mapBack to article page