Erratum to: Cellular and Molecular Bioengineering (©2017) DOI: 10.1007/s12195-017-0489-4

The first sentence in the acknowledgements section should read:

This work was supported by the National Science Foundation Division of Materials Research (DMR 1352487 to Stachowiak) and the National Institutes of Health (R01GM112065 to Stachowiak).