1. Veterans Affairs Center for Clinical Management Research; Health Services Research and Development; Ann Arbor Michigan USA
2. Veterans Affairs Ann Arbor Health Care System; Ann Arbor Michigan USA
3. Department of Psychiatry; University of Michigan; Ann Arbor Michigan USA
4. Department of Psychiatry and Behavioral Sciences, Emory University; Atlanta Georgia USA
5. Atlanta Veteran Affairs Health Care System; Atlanta Georgia USA
6. Minneapolis Veterans Affairs Health Care System; Minneapolis Minnesota USA
7. Veteran Affairs Center for Chronic Disease Outcomes Research; Health Services Research and Development; Minneapolis Minnesota USA
8. Department of Psychiatry; University of Minnesota; Minneapolis Minnesota USA