[1] University College Hospital,Division of Cardiovascular Medicine, Department of Medicine
[2] University of the Witwatersrand,Soweto Cardiovascular Research Unit
[3] Momentum Research,Department of Medicine, Faculty of Health Sciences, Hatter Institute for Cardiovascular Research in Africa and the Institute of Infectious Disease and Molecular Medicine
[4] Inc,Department of Medicine, Faculty of Medicine, GF Jooste and Groote Schuur Hospitals
[5] University of Cape Town,Division of Cardiology, Department of Medicine
[6] University of Cape Town,Department of Medicine
[7] Eduardo Mondlane University,Department of Internal Medicine, Buea Faculty of Health Sciences, Cardiology Unit
[8] Bayero University Kano/Aminu Kano Teaching Hospital,Department of Medicine
[9] Uganda Heart Institute,Faculty of Medicine
[10] Douala General Hospital,Department of Medicine
[11] University of Abuja Teaching Hospital,undefined
[12] University of Khartoum,undefined
[13] Aga Khan University,undefined
[14] Service de Cardiologie,undefined
[15] Faculte de medecine de Dakar,undefined
[16] Addis Cardiac Hospital,undefined