“…Reviews of the TBI literature consistently identify limited numbers of controlled trials, 11,12,38,39 presumably due to recruitment challenges inherent in this population, 40 and these studies are therefore an important contribution to this field of research. Reviews of the TBI literature consistently identify limited numbers of controlled trials, 11,12,38,39 presumably due to recruitment challenges inherent in this population, 40 and these studies are therefore an important contribution to this field of research.…”