1 Office of the Vice Provost, Research, Aga Khan University, Karachi, Pakistan.
2 Department of Medicine and Health Data Science Centre, Aga Khan University, Karachi, Pakistan.
3 Department of Family Medicine, Aga Khan University, Karachi, Pakistan.
4 Tabba Heart Institute, Karachi, Pakistan.
5 Department of Medicine, Aga Khan University, Karachi, Pakistan; Section of Cardiology, Department of Medicine, Aga Khan University, Karachi, Pakistan.
6 Office of the Vice Provost, Research, Aga Khan University, Karachi, Pakistan; Section of Cardiology, Department of Medicine, Aga Khan University, Karachi, Pakistan; Department of Population Health, Aga Khan University, Nairobi, Kenya. Electronic address: salim.virani@aku.edu.