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.
The proposed network of Büchel et al. is shown on the left. The connections found in our analysis are shown on the right. The legend indicates the meaning of the color scale and the thickness of the lines. This legend is valid for all the following figures.
