1. From: Centre for Heart Rhythm Disorders, South Australian Health and Medical Research Institute, University of Adelaide and Royal Adelaide Hospital, (D.H.L., P.S.); Department of Medicine, Université de Montréal, Research Center, Montreal Heart Institute, Quebec, Canada (S.N.); Institute of Pharmacology, West German Heart and Vascular Center, Faculty of Medicine, University Duisburg-Essen, Germany (S.N.); and Department of Cardiology, Royal Melbourne Hospital and the Department of Medicine,...