We certainly have done some work in this area. I know the Public Health Agency has, as well as CIHR. I think any one of my colleagues can probably speak to this.
This is an area where, frankly, more work needs to be done. The government committed to establish an expert advisory council to give us some guidance, and we're working with the minister to get that set up. It is a big priority in our work with the provinces and territories, but off the top of my head, I'm sorry, I can't give you a detailed list of the kinds of studies and so on that have been done.
I'd be happy to get back to the committee if that's helpful, but others may want to comment.