1. National Heart Centre Singapore (J.T., W.O., C.S.P.L.).
2. Department of Cardiology, University Medical Centre Groningen, University of Groningen, The Netherlands (J.T., C.S.P.L.).
3. Duke-NUS Medical School Singapore (J.T., C.S.P.L.).
4. Cardiology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden (C.H., U.L.F., H.L.H.).
5. GUCH, Arrhythmia and Heart Failure, Heart and Vascular Theme, Karolinska University Hospital, Stockholm, Sweden (C.H., H.L.H.).
6. Department of Medicine, Division of Cardiology, Northwestern University Feinberg School of Medicine, Chicago, IL (S.S.-v.W., S.J.S.).
7. Department of Cardiology, CARIM, Maastricht University Medical Center, The Netherlands (S.S.-v.W.).
8. Department of Clinical Physiology, Institute of Medicine, Sahlgrenska University Hospital, University of Gothenburg, Sweden (S.S.).
9. Heart Center, Turku University Hospital, University of Turku, Finland (A.S.).
10. Early Clinical Development, IMED Biotech Unit, AstraZeneca Gothenburg, Sweden (M.L.F., L.-m.G.).
11. Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy at the University of Gothenburg, Sweden (L.-m.G.).
12. Department of Cardiology, Sahlgrenska University Hospital, Sweden (L.-m.G.).
13. The George Institute for Global Health, Sydney, Australia (C.S.P.L.).