1. From the Cardiothoracic Pharmacology, Vascular Biology, National Heart and Lung Institute, Imperial College, London, United Kingdom (B.A.-S., N.S.K., M.Al'Y., S.M., J.A.M.); The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary, University of London, London, United Kingdom (R.K., A.T.T., P.C.J.A., T.D.W.); King Fahad Cardiac Center of King Saud University, Riyadh, Saudi Arabia (M.Al'Y., S.M.,); MRC Clinical Sciences, Imperial College London, Nitric...