1. Department of Psychological and Brain Sciences, Texas A&M University, College Station, TX, United States
2. Department of Anesthesiology, University of Michigan, Ann Arbor, MI, United States
3. Craig Hospital, Denver, CO, United States
4. Division of Trauma, Baylor University of Medical Center, Dallas, TX, United States
5. Baylor Scott & White Institute for Rehabilitation Dallas, TX, United States,
6. Department of Psychology, University of North Texas, Denton, TX, United States