 So, again, correlation is not causation, and this is really important as a scientist to get your arms around. We have about 15 seconds, Doc, so give us the bottom line. Bottom line is I am not sure, but it needs to be looked at, Rich. Sounds good to me. Folks, we're on with Dr. Stephen Quay, and as we learn more about it, we'll bring it to you. Dr. Quay, I appreciate you being here tonight. Godspeed to you, sir.