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.
Light therapy and other prior authorization categories were of too low frequency to be visually comparable on the same axis but similarly demonstrated left-shifted histograms. USD indicates US dollars.
