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.
Significance denotes p<0.05. EU5 = five European Union countries, UK = United Kingdom, DE = Germany, FR = France, ES = Spain, IT = Italy.
