| Date | Event | Description |
|---|---|---|
| 12 May 2020 | Amended | The Editors are looking for contributors to update and maintain this Cochrane Review. Contact ruh‐tr.gnoc‐cochrane@nhs.net for further information. The searches have been updated to May 2019 and potentially relevant studies added to ‘Other references; Classification pending’. |
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.