Correction to: Journal of Neurology https://doi.org/10.1007/s00415-019-09498-4

The original version of this article unfortunately contained a mistake. Fifth sentence of the fourth paragraph in the section “Non-nAChR autoantibody targets in MG” should read as

Cortactin is an intracellular protein involved in signaling downstream of MuSK, so, unlike Lrp4 and agrin, it is difficult to imagine how they might be pathogenic in vivo, without direct access to their intracellular targets.