1. Consortium for Health and Military Performance, Department of Military and Emergency Medicine, F. Edward Hébert School of Medicine, Uniformed Services University, Bethesda, MD, USA
2. Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, MD, USA
3. Department of Anatomy, Physiology, and Genetics, F. Edward Hébert School of Medicine, Uniformed Services University, Bethesda, MD, USA
4. Department of Physiology, Anatomy & Genetics, University of Oxford, Oxford, UK