Fig 8. Extended hypothetical vicious circle model.
The relationships in the green arrows have been added. Additional explanations in the text. Modified according to Richter and Weiß [54].
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.