Erratum to: Empir Software Eng

https://doi.org/10.1007/s10664-017-9515-3

The article Architecture consistency: State of the practice, challenges and requirements, written by Nour Ali, Sean Baker, Ross O’Crowley, Sebastian Herold, and Jim Buckley was originally published electronically on the publisher’s internet portal (currently SpringerLink) on May 15, 2017 without open access.

With the authors’ decision to opt for Open Choice the copyright of the article changed on September 2017 to © The Author(s) 2017 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.

The original article has been corrected.