Correction to: JOM https://doi.org/10.1007/s11837-021-04586-1

The article Fundamental Study on Multistage Extraction Using TDdDGA for Separation of Lanthanides Present in Nd Magnets, written by Morita et al., was originally published online on the publisher’s internet portal on March 15, 2021 with Open Access under a Creative Commons Attribution (CC BY) license 4.0.

With the author’s/authors' decision to cancel Open Access the copyright of the article changed on March 19, 2021 to © The Minerals, Materials & Metals Society 2021 with all rights reserved.