[1] Med Coll Wisconsin, Dept Psychiat & Behav Med, Clement J Zablocki VA Med Ctr, Milwaukee, WI 53213 USA
[2] Univ Pittsburgh, Dept Emergency Med, Pittsburgh, PA USA
[3] Univ Calif Irvine, Dept Psychol & Social Behav, Irvine, CA USA
[4] Univ Manitoba, Dept Clin Hlth Psychol, Winnipeg, MB, Canada
[5] Med Coll Wisconsin, Div Trauma & Crit Care, Dept Surg, Milwaukee, WI 53213 USA