Yes, I guess, if we looked at the long-term, I mean, first of all, COVID-19 is a respiratory ailment and oxygen therapy is used, it's one of the treatments for it. So, in the short term, we saw an uptick. In the long term, if you look at our business, kind of where do we go and what's the impact on our business. After the kind of the smoke clears from the pandemic, it's uncertain what kind of impact this might have on needs by people that had COVID-19 and if there is long-term damage to the respiratory system, there is always a chance that over the long-term they may turn into oxygen therapy patients, but that's kind of up in the air. Certainly, it's not going to harm the demand or put -- decrease the demand for our product. But there could be an increase, time will tell on that, that's more a long-term play. I think also, as Ali said, we've had -- the dialogue with patients has been a lot different on these -- all the patients that have called and are still answering our marketing campaign. Most of them aren't looking for product to go on a trip or go on a visit, everybody's kind of hunkered down in their homes. But they do have concerns about their supply, they do have concerns about having a stranger come to their home to deliver tanks. If you look at the other side of the equation home care companies are kind of in the same boat. They have concerns about going into a patient's home or to a patient's home either exposing them or being exposed themselves. So, this really shines a light and I think puts another piece of pressure on the non-delivery model in the future if you look ahead. We've already had pressure from reimbursement cuts that really make it difficult to continue to deliver or sustain the delivery model with all the expenses associated with it. Here is another thing that down the road when the smoke clears again, people are going to say, how do we better prepare for this next time around. While there is a few trends, people have talked a lot about tele-medicine being maybe more emerging in the future from this. I think there'll be more pressure put on the non-delivery model to convert to that. So that we avoid these exposures and risks in the future and the patients are more in control. So, long term, I think there could be some, I'll say, positive pressure for our business. Short term, as Ali outlined, there is a lot more variability introduced that we have to cope with and obviously we're not alone. The whole world is going through coping with a lot of variability right now.