Tounsi WA, Madgett TE, Avent ND. Complete RHD next-generation sequencing: establishment of reference RHD alleles. Blood Adv. 2018;2(20):2713-2723.

In the “Acknowledgments” on page 2721 of the 23 October 2018 issue, the following sentence was omitted: “The authors thank Amr Halawani of Jazan University, Jazan, Saudi Arabia (formerly based at the University of Plymouth, Plymouth, United Kingdom), for training in NGS library preparation and bioinformatics.” The error has been corrected in the published article.