Statistics from Altmetric.com
Disclaimer The views expressed in this letter are those of the authors alone and do not reflect the views of the US Army, Defense Health Agency or the Department of Defense.
Competing interests None declared.
Provenance and peer review Not commissioned; internally peer reviewed.
Data sharing statement Further data from our analysis are available in our article published in JABFM, excluded here for brevity and simplicity.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.