The complex structure of ATXN2 genetic variation

In the editorial, “The complex structure of ATXN2 genetic variation,” by Pulst1, first published online December 6, 2018, the reference for Tojima et al.’s article should read: 1. Tojima M, Murakami G, Hikawa R, et al. Homozygous 31 trinucleotide repeats in the SCA2 allele are pathogenic for cerebellar ataxia. Neurol Genet 2018;4:e283. DOI: 10.1212/NXG.0000000000000283. The publisher regrets the error