1. From the Center for Cancer Research (A.M.S., D.E.H.), Massachusetts Institute of Technology, Cambridge, Mass; Center for Cardiovascular Genetics (J.A.C., P.J.K., S.E.H.), Department of Medicine, Royal Free and University College London Medical School, Rayne Institute, United Kingdom; Portex Anaesthesia, Intensive Therapy and Respiratory Medicine Unit (P.J.K.), Institute of Child Health, London, United Kingdom; Medical Research Council Cardiovascular Research Group (G.J.M.), Wolfson Institute of...