Correction to: Journal of Neurology (2020) 267:679–687 https://doi.org/10.1007/s00415-019-09627-z

The original version of this article unfortunately contained a mistake. The joint first authorship (Wouter J. C. van Ballegoij, Sander C. Kuijpers and Irene C. Huffnagel) was not mentioned in the paper.

The article note should be:


Wouter J. C. van Ballegoij, Sander C. Kuijpers and Irene C. Huffnagel are contributed equally to this work.