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) rates at 7 dpi and B) 14 dpi. Error bars represent 95% confidence intervals. Statistical significance is depicted as **** for p <0.0001, *** p<0.001, **p<0.01 and * p<0.05 by two-tailed Fisher’s exact test.
