1. Clement J. Zablocki VA Medical Center, Department of Psychiatry and Behavioral Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
2. Department of Emergency Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
3. Department of Psychology and Social Behavior, University of California, Irvine, California, USA
4. Department of Clinical Health Psychology, University of Manitoba, Winnipeg, Manitoba, Canada
5. Department of Surgery, Division of Trauma and Critical Care, Medical College of Wisconsin, Milwaukee, Wisconsin, USA