Erratum to: J Neurol (2016) 263:883–887 DOI 10.1007/s00415-016-8073-8

The author would like to correct the errors in the publication of the original article. The corrected details are given below for your reading.

In the Introduction, the word “since” has been omitted. The correct sentence is: “Since a positive cross-over sham-controlled, use of plasma exchange (PLEX) had been widely accepted…”

In the Table 1:

It is not “Time to MP, median (mean; range) months” but “Time to MP, median (mean; range) days”.

It is not “Time to PLEX, median (mean; range), months” but “Time to PLEX, median (mean; range), days”.

It is not “Number of PLEX, median (mean; range), months” but “Number of PLEX, median (mean; range)”.

It is not “LogMAR VA before PLEX, median (mean; range), days” but “LogMAR VA before PLEX, median (mean; range)”.

It is not “LogMAR VA after PLEX, median (mean; range), days” but “LogMAR VA after PLEX, median (mean; range)”.