1. The Moody Project for Translational Traumatic Brain Injury Research, University of Texas Medical Branch, Galveston, Texas, USA.
2. Office of Biostatistics, Department of Preventive Medicine and Population Health, University of Texas Medical Branch, Galveston, Texas, USA.
3. Department of Anesthesiology, University of Texas Medical Branch, Galveston, Texas, USA.
4. School of Nursing, University of Texas Medical Branch, Galveston, Texas, USA.