| Author's roles & responsibilities | |
|---|---|
| FTVA | Substantial contributions to the conception or design of the work; or the acquisition, analysis, or interpretation of data for the work; final approval of the version to be published |
| PHM | Acquisition, analysis, or interpretation of data for the work; final approval of the version to be published |
| MFBJ | Acquisition, analysis, or interpretation of data for the work; final approval of the version to be published |
| AS | Acquisition, analysis, or interpretation of data for the work; final approval of the version to be published |
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.