The authors regret for the following inaccuracies: a. The correct spelling of a co-author is: Matthew Lopresti.b. Authors Peter Walker and Stephen Ahlers correct affiliation is: Naval Medical Research Center.c. In the contact section, it should read: Naval Medical Research Center and, US Army Medical Research and Material Command.d. The Carr 2016 reference should not have been included. The Carr 2015 reference should be cited where the Carr 2016 is referenced.e. Acknowledgments should read: This work was supported by the National Institutes of Nursing Research, Intramural Program, the US Army Medical Research and Material Command, and the US Navy Bureau of Medicine. We would also like to thank the soldiers of the units studied for their service to our nation and their participation in this study.The authors would like to apologise for any inconvenience caused.