Fig. 1. Flowchart of the inclusion process in the study population.
HBV: hepatitis B virus; HCV: hepatitis C virus; USG: ultrasonography.
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.