1. Department of Internal Medicine, Dow University of Health Sciences, Pakistan
2. Department of Medicine, Jinnah Sindh Medical University, Karachi, Pakistan
3. Department of Medicine, Alfaisal University, Riyadh, Saudi Arabia
4. Department of Medicine, Rawalpindi Medical University, Rawalpindi, Pakistan
5. Department of General Surgery, Nawaz Sharif Medical College, Lahore, Pakistan
6. Department of Medicine, University of Health Sciences, Lahore, Pakistan
7. Department of Infectious Disease, University Hospital Limerick, Dooradoyle, Ireland
8. Department of Medicine, Agha Khan University, Karachi, Pakistan