The strong continuity argument in  did not identify an appropriate Banach space. We do so here. A corrected version has been uploaded to arxiv.org/abs/1512.07392.
"Erratum: Multivariate Stein factors for a class of strongly log-concave distributions." Electron. Commun. Probab. 21 1 - 2, 2016. https://doi.org/10.1214/16-ECP32