1. VA Puget Sound Health Care System, Seattle, WA, and Department of Health Services, University of Washington, Seattle.
2. Center for Healthcare Organization and Implementation Research (CHOIR), VA Boston Healthcare System, Boston, MA.
3. Northeastern University, Boston, MA.
4. Center for Healthcare Organization and Implementation Research (CHOIR), VA Boston Healthcare System, Boston, MA, and Department of Psychiatry, Boston University, Boston, MA.
5. Center for Healthcare Organization and Implementation Research (CHOIR), VA Boston Healthcare System, Boston, MA, and Department of Surgery, Boston University, Boston, MA.