- NOVI cohort only (at time of discharge, after BPD development): 10 differentially methylated CpGs in 4 glucocorticoid-related genes (CRHR1, HSP90AA1, NR3C1, NR3C2) in ACS versus no-ACS exposure in male compared to female samples. Here, CRHR1 is linked to bronchopulmonary dysplasia.