Rosen CS, Matthieu MM, Wiltsey Stirman S, Cook JM, Landes SJ, Bernardy NC, Chard KM, Crowley J, Eftekhari A, Finley EP, Hamblen JL, Kehle-Forbes SM, Meis LA, Mott JM, Rodriguez AL, Ruggiero KJ, Ruzek JI, Smith BN, Trent LR, Watts BV. A review of studies on the system-wide implementation of evidence-based psychotherapies for posttraumatic stress disorder in the Veterans Health Administration. Administration and Policy in Mental Health and Mental Health Services Research. 2016; 6(43):957–977.