J Head Trauma Rehabil 2019 May/Jun;34(3):E64-E74
Departments of Biostatistics (Ms Stromberg and Dr Sima) and Physical Medicine and Rehabilitation (Drs Agyemang, Graham, Walker, Kreutzer, and Merchant and Ms Marwitz), Virginia Commonwealth University, Richmond; The Traumatic Brain Injury Model Systems National Data and Statistical Center, Craig Hospital, Englewood, Colorado (Dr Harrison-Felix); Department of Rehabilitation Medicine, University of Washington, Seattle (Dr Hoffman); and Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, Minnesota (Dr Brown).