Hi, Laura. It's Mark Saad. So, yes, we are consistent with what we've said on the prior 2 calls, where we indicated, due to a variety of factors, in terms of building the market access and how we see our revenues coming from that the year will be second-half loaded. So that's what we've expected, that's what we've messaged. I think that's what you estimated. And the other reality is, given the nature of the commercial experience that we have, a significant portion, a very significant portion of our revenues in any quarter can tend to come in towards the end of the quarter. So there's a lot of late quarter variability as part of having really the state of the revenues where a lot of the systems are more translational in nature for those types of customers. And as we get in the future to where it's more predictive, consumable-based utilization taking the lion's share, which is driven by the market access, things we're working on, think the business overall gets more and more predictable. So that's the overall trend. We don't see, within our sales funnel, effectively robbing Q3 or Q4 revenues into Q2. And still, I think they're consistent with what we've said for the year, which is the sales funnel, the way it's tracking, the way the incremental approvals are tracking, such as getting Russia approval, which is meaningful for us, and we'll expect to see some second half benefit from things like that, and other things like that, expanded claims that was talked about on the earnings call in Europe and more expanded claims, ideally, coming soon. So those are the types of things that go into the mix when we look at the second half versus the first half. And I think we're just tracking well within where we described we would be, and, obviously I guess, within your estimates as well.