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.
(A1), (B1), and (C1): the third day after modeling; (A2), (B2), and (C2): the 7th day after modeling; (A3), (B3), and (C3): the 11th day after modeling; (A4), (B4), and (C4): the 15th day after modeling; (A1–A4): the control group; (B1–B4): the JWH group; (C1–C4): the EE group.
