1. Department of Psychology, Mississippi State University, Starkville, Mississippi, USA
2. Department of Psychology, California Department of State Hospitals—Atascadero, Atascadero, California, USA
3. Department of Psychology, West Virginia University, Morgantown, West Virginia, USA
4. Injury Control Research Center, West Virginia University, Morgantown, West Virginia, USA
5. Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, Texas, USA