1. From the Division of Cardiology, St. Michael’s Hospital (P.D.), Toronto, Ontario, Canada; Klinikum Mannheim (M.B.), Universtatsklinikum, Mannheim, Germany; Health Care Research Center (H.R.A.-K., J.M.B., D.S.T., M.J.H.), Procter & Gamble Pharmaceuticals, Cincinnati, Ohio; J.W. Goethe University (S.H.H.), Department of Cardiology, Division of Electrophysiology, Frankfurt, Germany; Landkrankenhaus Coburg (J.B.), II Medizinische Klinik, Coburg, Germany; University of Miami School of Medicine (R.J.M...