Affiliation: | 1. Department of Psychology, University of Iowa, , Iowa City, Iowa;2. Minneapolis Veteran Affairs Health Care System, , Minneapolis, Minnesota;3. Center for Chronic Disease Outcomes Research, Minneapolis Veteran Affairs Health Care System, Department of Psychiatry, University of Minnesota, , Minneapolis, Minnesota;4. Minneapolis Veteran Affairs Health Care System, Departments of Psychology and Psychiatry, University of Minnesota, , Minneapolis, Minnesota;5. Minneapolis Veteran Affairs Health Care System, Department of Psychiatry, University of Minnesota, , Minneapolis, Minnesota |