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.
A descriptive example of a record in the synthetic derivative (SD) described in the text. The arrows indicate examples of scrubbing: the medical record number has been removed (black), the social security and phone numbers have been masked (blue), names have been changed (purple), and dates have been shifted (red) as described in Methods.
