| Date | Event | Description |
|---|---|---|
| 21 October 2014 | New search has been performed | The searches did not identify any potentially relevant trials for inclusion in the review. |
| 21 October 2014 | New citation required but conclusions have not changed | Minor changes were made throughout the review. |
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.