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.
Experimental protocol with the distribution of the four sessions: day before the challenge (inclusion session; D-1), morning just before the challenge (pre-challenge session; pre-challenge D1), end of the challenge (post-challenge session; post-challenge D1), and day after the challenge (recovery session; D+1).
