1. From the North Shore Heart Research Group, Kolling Institute of Medical Research, University of Sydney, Sydney, Australia (H.B., C.-C.L., E.J.H., Y.H., K.K.M.C., S.N.H., G.A.F., H.H.R.); Medical Department, The Heart Centre, Rigshospitalet, National University Hospital, University of Copenhagen, Copenhagen, Denmark (H.B.); Department of Cardiology, Royal North Shore Hospital, Sydney, Australia (A.G., S.N.H., G.A.F., H.H.R.); and Cardiac Arrhythmia and Electrophysiology, Stanford Hospitals and...