Okay, thank you.
I think we've all heard and you both have indicated that the reality is that we need to make certain we're doing the proper diagnosis, whether it's of PTSD or of mefloquine toxicity. That's ultimately what we're looking at—what diagnoses we need. Obviously we need more research along those lines.
On that note—and Dr. Douglas, you touched a little bit on this when you pointed out to us the criteria—when we're looking at the criteria, and particularly when you talked about someone being exposed to an event, if you were exposed to that event and you had other factors on top of it, what would be the potential that we could see a greater reaction, greater responses?