Figure 1.
Patterns of mean behaviour. ‘A’ (blue line) and ‘B’ (red line) refer to a phase without an intervention and with an intervention, respectively. [Colour figure can be viewed at www.online library.com].
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.