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 total number of protocol violations is less than the sum of all categories because some participants had more than 1 protocol violation. Detailed descriptions of protocol violations can be found in the eAppendix in Supplement 2.
