1. From the National Heart and Lung Institute, Imperial College London, United Kingdom (J.A.M., F.S., Y.E., N.S.K.)
2. Blizard Institute (T.D.W., M.C., P.C.A.), Queen Mary University of London, United Kingdom
3. Centre for Endocrinology, William Harvey Research Institute (C.G.-M.), Queen Mary University of London, United Kingdom
4. Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, University of California Los Angeles (H.R.H.).