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 red curve represents the best data fit, indicating a Gaussian distribution. Distribution analysis, normality test and data fit were performed with GraphPad Prism software.
