1. From the Robarts Research Institute (M.J.F., C.O., C.S., M.W.H., J.G.P.), London Health Sciences Centre and Departments of Medicine (Cardiology) (M.W.H., J.G.P.), Biochemistry (M.J.F., M.W.H., J.G.P.), Medical Biophysics (J.G.P.), and Microbiology and Immunology (B.M.C.C.), Schulich School of Medicine and Dentistry, University of Western Ontario, London, Canada.