Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Mean grey matter concentration for each time point for the clusters with significant GM changes in (a) the subgroup of 41 patients and (b) the total group of 77 patients. For the clusters of (b) the mean GM concentration is also shown for the two independent subgroups.
