FIGURE 1.
Map of experts’ responses. Numbers represent the number of replies for each category from a specific country. For participants with multiple roles, the first chosen is represented on the map.
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.