Just to build on that a bit, it has been interesting this morning to hear about the myriad of different types of technology that are being developed.
I'm just wondering if both sets of witnesses can give us an idea of what the field of nuclear medicine will look like in 10 years. We're hearing about all kinds of things: PET scans, F18, cyclotrons being used, the large reactors, and reactors opening up around the world. What is your industry and nuclear medicine going to look like 10 years from now?