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.
Down right: Coquimbo region of Chile (grey); Left: Limarí province within the Coquimbo region with its five municipalities (grey), where the household-based study was performed. Up: Map of the Limarí province. In black dots are interviewed households in the five municipalities across the study area.
