(i) Basal OCR was measured in day 10 HE (n=6 biological replicates), EHT (n=5 biological replicates) and HSC-like (n=4 biological replicates) cells and bar graphs show mean levels ± SEM relative to HE (paired t-tests). Data information: ns, not significant, *p<0.05, **p<0.01, ***p<0.001, ****p<0.0001 