. 2022 May 27:usac143. doi: 10.1093/milmed/usac143
Published by Oxford University Press on behalf of the Association of Military Surgeons of the United States 2022. This work is written by (a) US Government employee(s) and is in the public domain in the US.
This work is written by (a) US Government employee(s) and is in the public domain in the US.
This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.
FIGURE 1.
Preferred Reporting Items for Systematic Reviews flowchart of included and excluded studies.