...John Dwyer Allow me to welcome, everyone, to this very important presentation by our colleagues from Biogen. This is John Dwyer, President of the Global Alzheimer's Platform Foundation. This was initially intended as a discussion of the science and clinical aspects of Biogen's drug aducanumab, and we broadened it to the public, which I think is terrific. So let me just say a word about who GAP is for those of you on this call that don't know us. The Global Alzheimer's Platform Foundation's mission is to reduce the duration and cost and improve the quality of Alzheimer's disease clinical therapeutic studies. Not a trivial mission, to say the least. Over the last 6 years, we have combined with our network of over 80 truly leading clinical trial sites in North America to try and accelerate and improve clinical trials for a variety of different Alzheimer's therapies. We're proud to say one of those was Biogen's. And it is with that background that we have in our audience, all of our sites,...