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.
Nodes presented as colored dots on a hemisphere: green dots = anterior node set, red dots = left lateral node set, yellow dots = right lateral node set, blue dots = removed nodes for optimized path traversal
