This Article contains typographical errors in in the Methods section under subheading ‘Cell lines and culture conditions’“insulin (1 mg/mL), epidermal growth factor (12.5 ng/mL), hydrocortisone (2.8 mM), 10 mM 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid (HEPES), 1 mM sodium pyruvate, 0.1 mM non-essential amino acids, and 50 mg/mL gentamycin reagent (now called αHE; all supplements from Wisent Bioproducts, Montreal, QC) as previously described”should read“insulin (1 µg/mL), epidermal growth factor (12.5 ng/mL), hydrocortisone (2.8 µM), 10 mM 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid (HEPES), 1 mM sodium pyruvate, 0.1 mM non-essential amino acids, and 50 µg/mL gentamycin reagent (now called αHE; all supplements from Wisent Bioproducts, Montreal, QC) as previously described”