Figure 1.
Voting results, generic domain. ICD, implantable cardioverter defibrillator. Level 1: mandatory variable; Level 2: optional variable
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.