Sure. We have a lot of veterans coming back who have more than one or two injuries. So polytrauma is typically two or more of the following: an amputation, a burn, blindness, traumatic brain injury. Really a polytrauma patient needs a lot of complex care.
So we decided we would take our four big centres that used to have traumatic brain injury as kind of a focus and make them polytrauma centres and actually bring in specialists who could treat all kinds of war injuries.