They have a number of patients that they're following in the medical facilities, and they assured us that they would know probably in a matter of a week, a week and a half, as to whether or not we're dealing with something that, for the most part is more severe, equally as severe or less severe. It could be either of them, right now, it does not look like there's a big signal of a high degree of severity, but it's too early to tell.