| Date | Event | Description |
|---|---|---|
| 21 December 2022 | Amended | This is a Living Systematic Review. Searches are run and screened monthly. Last search date 14 December 2022 (no new studies found). As such, results of all included studies identified have been incorporated. The conclusions of this Cochrane Review are therefore considered up to date. |
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.