Correction to: Journal of Pharmaceutical Investigation (2019) 49:337–346 https://doi.org/10.1007/s40005-019-00453-z

The article Poly(lactic acid)/poly(lactic-co-glycolic acid)-based microparticles: an overview, written by Paolo Blasi, was originally published electronically on the publisher’s internet portal (currently SpringerLink) on 11 June 2019 without open access.

With the authors’ decision to opt for Open Choice the copyright of the article changed on 19 July 2019 to © The Author(s) 2019 and the article is forthwith distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits use, duplication, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.