[1] Traumat Brain Injury Ctr Excellence, Dept Res, Silver Spring, MD USA
[2] Walter Reed Natl Mil Med Ctr, Traumat Brain Injury Ctr Excellence, Bldg 19, 8901 Wisconsin Ave, Bethesda, MD 20814 USA
[3] Natl Intrepid Ctr Excellence, Dept Res, Bethesda, MD USA
[4] Gen Dynam Informat Technol, Silver Spring, MD USA
[5] Univ British Columbia, Dept Psychiat, Victoria, BC, Canada
[6] Uniformed Serv Univ Hlth Sci, Dept Phys Med & Rehabil, Bethesda, MD 20814 USA
[7] 33 Area Branch Clin Camp Pendleton, Camp Pendleton North, CA USA
[8] Naval Med Ctr San Diego, San Diego, CA USA
[9] San Antonio Mil Med Ctr, San Antonio, TX USA