An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Komro KA, Kominsky TK, Skinner JR, Livingston MD, Livingston BJ, Avance K, Lincoln AN, Barry CM, Walker AL, Pettigrew DW, Merlo LJ, Cooper HLF, Wagenaar AC.Komro KA, et al.Trials. 2022 Feb 23;23(1):175. doi: 10.1186/s13063-022-06096-0.Trials. 2022.PMID: 35197100Free PMC article.