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.
Regions are colorized according to whether activity was significantly VTE-related, task-related, or identified for both of these conditions (overlap). Images are displayed in neurological convention (right is subject’s right).
