1 Centre for Heart Rhythm Disorders, South Australian Health and Medical Research Institute (SAHMRI), University of Adelaide and Royal Adelaide Hospital, Adelaide, Australia.
2 Faculty of Medicine, University of Paris Sud XI, Le Kremlin-Bicêtre, France.
3 School of Health and Related Research (ScHARR), The University of Sheffield, Sheffield, UK.
4 Division of Nephrology and Hypertension, University of Cape Town, Cape Town, South Africa.
5 Department of Medicine, University of Uyo, Uyo, Nigeria.
6 Department of Internal Medicine and Specialties, Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaounde, Cameroon.
7 Department of Public Health, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
8 Department of Medicine, University of Alberta, Edmonton, Alberta, Canada.
9 Kidney and Hypertension Research Unit, University of Cape Town, Cape Town, South Africa.