1. Department of Cardiology, Sialkot Medical Complex, Sialkot, Pakistan
2. Department of Medicine, DHQ Hospital, Nankana Sahib, Pakistan
3. Department of Medicine, Sheikh Zayed Hospital, Rahim Yar Khan, Pakistan
4. Department of Cardiology, KMU Institute of Medical Sciences, Kohat, Pakistan
5. Department of Medicine, Integrated Medical Complex, Lahore, Pakistan
6. Department of Cardiovascular Research, Cardiovascular Analytics Group, Islamabad, Pakistan
7. Department of Cardiology, Abbas Institute of Medical Sciences, Muzaffrabad, Pakistan