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.
Informed consent and written documentation. Illiterate participants are at risk of misunderstanding from inadvertent changes in meaning during translation of consent documents by study staff. Note that the participant's understanding of the study is rarely assessed in either developed or developing countries.
