Systematic Review - Relationship of Deployment-related Mild Traumatic Brain Injury to Posttraumatic Stress Disorder, Depressive Disorders, Substance Use Disorders, Suicidal Ideation, and Anxiety Disorders 4 March 2019 Prepared for: Department of Veterans Affairs Veterans Health Administration Health Services Research & Development Service Washington, DC 20420 Prepared by: Evidence Synthesis Program (ESP) Center Portland VA Medical Center Portland, OR Mark Helfand, MD, MPH, MS, Director Relationship of Deployment-related Mild Traumatic Brain Injury to PosttraumaticStress Disorder, Depressive Disorders, Substance Use Disorders, Suicidal Ideation, and Anxiety Disorders: A Systematic Review Authors: Principal Investigator: Nancy Greer, PhD Timothy J. Wilt, MD, MPH Co-Investigators: Princess