FIGURE 1.
(Continued). Study design [smidodrine (A) and non-midodrine (B) group], and flowchart of cohort construction (C).
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.