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.
Hierarchy of physiological networks of men and women. The corresponding physiological networks are laid out hierarchically with the Sugiyama algorithm for men (A) and women (B). Nodes are ordered into layers according to eigencentrality and placed to minimize crossings. The color of the node indicates the cluster to which it belongs in the network.
