So, Robbie, do Dural Repair , we were I think probably a little optimistic that we could keep the price and the socket simultaneously from Q3 to Q4. As I mentioned, what was good through the quarter and we saw our market share data, we held on to share and in many cases, in Dural Repair , particularly in the online market and the market, we've gone in many cases without integrated contracts for those products and what we have been doing, this has been part of our strategy, is to have more integrated product strategies in that area. As we thought more pressure in that area, we actually signed up more contracts, really within the last two quarters. And so I would say again in Q3, the biggest part of the price component was signing up to some longer term agreements that I think will give us stability on our market share, on the price side and also have us be in a position that we can focus on growth from this point forward. So I think it was a smart move ultimately to be able to tie the contracts up that resulted in some price. That was the Dural Repair side. On SurgiMend, it's a new business for us that came in from TEI, I'd just kind of broadly say that TEI acquisition, two major product areas, PriMatrix and SurgiMend, PriMatrix is growing at double digits and we continue to see that expanded and we think that SurgiMend is going to be a contributor. What we've been struggling with is getting the right products in the right markets and I would say, in the US, it's been about hernia and having the right regenerative product that can compete price wise with bio absorbable. We think we have the product out, MP product we launched a few months ago, but it takes some time to get that established, get it through fast, get going and that was part of the slower update, probably about half of it was there. The other area is in breast reconstruction outside the United States. There's a change within procedures to do what's called a pre-factorial procedure. You need a different approach and a style of the product. We think we have it. Glen referenced, we just launched it at the end of the quarter and we think that's going to bring back growth. But when we take a look at third quarter, those are really the two negative factors and we think those trends, just because of the time to ramp up is still going to exist into Q4. Glenn, you may want to comment on that before we go to CUSA?