Yes, let me hit the upside. I mean, we've -- we sort of outlined Eric, where we seen them in the symphony that the patient services that's again a relatively small part of our business, but that's seen a lot of activity going forward. We do think the site businesses is paused -- is poised for some opportunity as we get back into restarting study. So I think that's an area where we're confident is going to move along nicely.In terms of other pharmacovigilance, medical monitoring, there's been certainly no diminution, I suppose in those parts of our clinical business, whether there's upside there, I think it's a little too early to tell. We're certainly not seeing a dramatic upside in those, but we've certainly seen plenty of work still counting on there. Bio stats and data management haven't been impacted too much at the moment.But again, I hesitate, there's not too many areas where we're really seeing upside at the moment. Vaccine trials and MERS services, I think you'd probably be, we're seeing some opportunities. But that those vaccine trials will play into a course out clinical group, which has been impacted. And that's we've talked to -- I think we talked enough about that, Phase I, we've certainly seen some impact, again, that's a very small part of our business.So it's not usually material, but that the CPU that we have, we have the one CPU in San Antonio, certainly is been doing a very limited amount of work. And some of our other sites that we do early phase studies, and I've been fairly limited as well. So, I think those are the areas that we've seen sort of most impact on the other -- on the back on the up-sizing.I think the FSP businesses certainly continued to expand based on some significant winds we have the back end of last year. We're actively recruiting. And again, like as I said, the ability of for us as an organization to move and shift and redeploy resources, take significant resource costs out in one area and deploy them in another way we're actually earning solid revenues is, I think a strength of our organization.