| Date | Event | Description |
|---|---|---|
| 24 October 2018 | New search has been performed | A new search led to the addition of 27 new included studies, and we updated the review in line with MECIR standards. |
| 24 October 2018 | New citation required but conclusions have not changed | We incorporated GRADE into this update of the review, as well as including a trial sequential analysis. |
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.