1. Department of Cardiology, Ali Medical Center, Rawalpindi 44000, Pakistan
2. Department of Medicine, Jinnah Sindh Medical University, Karachi 05444, Pakistan
3. Department of Medicine, Liaquat University of Medical & Health Sciences, Jamshoro 72400, Pakistan
4. Department of Medicine, Chandka Medical College, Larkana 77140, Pakistan
5. Department of Medicine, Shaheed Moharma Benazir Bhutto Medical University, Larkana 77150, Pakistan
6. Department of Cardiovascular Research, Cardiovascular Analytics Group, Islamabad 38000, Pakistan
7. Department of Cardiology, Abbas Institute of Medical Sciences, Muzaffarabad 13100, Pakistan