1. From the Department of Physiology, Anatomy and Genetics (C.P.B., D.J.P.), University of Oxford, Oxford, United Kingdom; Department of Computer Science (R.H.C.), University of Sheffield, Sheffield, United Kingdom; Auckland Bioengineering Institute (C.P.B., M.P.N.) and Department of Engineering Science (M.P.N.), University of Auckland, Auckland, New Zealand; Lebanese University (A.M.), Hadeth, Lebanon; and Departments of Cardiology & Cardiothoracic Surgery (M.H., P.T.), University College Hospital...