Thank you. That's an interesting question.
Both mefloquine and tafenoquine were prescribed and used during our Australian campaigns in Southeast Asia, and in Pacific areas as well. There was a significant amount of distress, in the 2000s, about the potential harms from both of these medications. As a result of that, a cognitive testing program was actually established. Unfortunately, it wasn't taken up very well, and there wasn't a significant amount of data that came from that.
That sort of research in that era, though, then led to one of the signature issues around service in the military, in particular during periods of high operational tempo. In Australia, just like in Canada, the great war on terror has meant two decades of exposure to significant low-level blast injuries and potential traumatic brain injuries as well, and in—