The article «Alzheimer’s Disease Composite Score: a Post-Hoc Analysis Using Data from the LipiDiDiet Trial in Prodromal Alzheimer’s Disease», written by S.B. Hendrix, H. Soininen, A.M.J. van Hees, N. Ellison, P.J. Visser, A. Solomon, A. Attali, K. Blennow, M. Kivipelto, T. Hartmann, was originally published electronically on the publisher’s internet portal (currently SpringerLink) on 10 September 2019 without open access. With the author(s)’ decision to opt for Open Choice the copyright of the article changed 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. The original article was corrected.