Correction to: Journal of Neurology (2018) 265:1124–1137 https://doi.org/10.1007/s00415-018-8816-9

The original version of this article unfortunately contained a mistake. In Fig. 2, there are some mistakes that author would like to correct. In particular, in the part A of the figure we have added in the explanation of the figures that in the SOC group there were 8 subjects with missing data. In the part 2B we have included the statistical differences between groups while in the part 2C in the LCIG group, the subjects reporting no change in the CGI assessment was zero.

Fig. 2
figure 2

Global judgment of caregivers (a) and patients (b) on their current quality of life compared to previous standard treatment and Clinical Global Impression–Global Improvement Scale (CGI-I) by physician (c); * Chi-square test (a, b) or Fisher exact test (c); in a, b data were grouped as “very good + good” vs “poor + very poor”; in c data were grouped as “improved” vs “no change or worse”; 8 missing data for SOC caregivers in a

The corrected Fig. 2 with caption is placed.