1. Durham VA Health Services Research and Development, Durham, North Carolina
2. Duke University Department of Psychiatry and Behavioral Sciences, Durham, North Carolina
3. Duke University School of Nursing, Durham, North Carolina
4. Veterans Affairs VISN 6 Mental Illness Research, Education, and Clinical Center, Durham, North Carolina
5. University of Pittsburgh, Department of Psychiatry, Pittsburgh, Pennsylvania
6. Department of Medicine, Duke University Medical Center, Durham, North Carolina
7. William S. Middleton Memorial Veterans Hospital, Madison, Wisconsin
8. Department of Surgery, University of Wisconsin-Madison, Madison, Wisconsin