I'll start, and I'll be happy to bring my colleagues into that discussion.
No one around the world has found the magic solution for PTSD. It remains a challenging problem that is faced by the surgeons general of various countries. There are many lines of investigation around the world, some more specifically pursued by Canada, others pursued by other countries, and others in collaboration.
As I mentioned earlier, we're looking at any kind of indicator that will allow us to identify predisposition to trauma through stress leading to trauma. We're looking for any kind of indicators that will allow us to better diagnose and treat. The studies you are referring to are one line of investigation. That is not completed; it's still a line of investigation.