Funding for this research was provided by:
Congressionally Directed Medical Research Programs (DMRDP – Intra – ATTD BUMED GDF 602115HP.4130.001.A1105, BUMED 6.5 604771N.C210.001.A0812)
Received: 22 December 2017
Accepted: 13 May 2018
First Online: 24 May 2018
: The study protocol was reviewed and approved by the Walter Reed Army Institute of Research/Naval Medical Research Center (NMRC) Institutional Animal Care and Use Committee in compliance with all applicable Federal regulations governing the protection of animals in research.
: The authors declare that they have no competing interests.
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