1. Center for Healthcare Organization and Implementation Research (CHOIR), U.S. Department of Veterans Affairs Boston Healthcare System, Boston, MA, USA
2. Boston University School of Public Health, Department of Health Law, Policy and Management, Boston, MA, USA
3. RTI International, Health Care Financing and Payment Program, Waltham, MA, USA
4. Office of Productivity, Efficiency and Staffing, U.S. Department of Veterans Affairs, Bedford, MA, USA
5. Center of Excellence for Research on Returning War Veterans, Central Texas Healthcare System, Department of Veteran Affairs, Waco, TX
6. Department of Psychiatry, Dell Medical School, University of Texas, Austin TX