1. Department of Public Health and Infection Control, King Fahad Hospital, Alhofuf, Saudi Arabia
2. All India Institute of Medical Sciences, Bhubaneswar, India
3. Department of Cardiology, Second Affiliated Hospital of Xi’an Jiao Tong University, Xi’an, China; Department of Internal Medicine, Federal Government Polyclinic Hospital, Islamabad, Pakistan
4. Department of Internal Medicine, Federal Government Polyclinic Hospital, Islamabad, Pakistan; Department of Internal Medicine, Life Line Medical and Diagnostic Centre, Islamabad, Pakistan
5. Department of Cardiology, Hayatabad Medical Complex, Peshawar, Pakistan
6. Department of Internal Medicine, University of Gondar, Addis Ababa, Ethiopia
7. Department of Internal Medicine, Tikur Anbessa Specialized Hospital, Addis Ababa, Ethiopia
8. Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, United States of America