DISCLOSURE STATEMENT
No potential conflict of interest was reported by the author(s).
DISCLAIMERS
The opinions and assertions expressed herein are those of the author(s) and do not reflect the official policy or position of the Uniformed Services University of the Health Sciences or the Department of Defense or the Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc.
This work was prepared by a military or civilian employee of the US Government as part of the individual’s official duties and therefore is in the public domain and does not possess copyright protection (public domain information may be freely distributed and copied; however, as a courtesy it is requested that the Uniformed Services University and the author be given an appropriate acknowledgement).
None of the authors nor their family members have a financial interest in any commercial product, service, or organization providing financial support for this research.