| Authors: |
Salman A; Department of Medicine, Dow University of Health Sciences, Karachi, Pakistan., Waqas SA; Department of Medicine, Dow University of Health Sciences, Karachi, Pakistan., Aamir J; Department of Medicine, Dow University of Health Sciences, Karachi, Pakistan., Batool RM; Department of Medicine, Dow University of Health Sciences, Karachi, Pakistan., Afridi MK; Department of Medicine, Dow University of Health Sciences, Karachi, Pakistan., Makda FA; Department of Medicine, Dow University of Health Sciences, Karachi, Pakistan., Ansari I; Department of Medicine, Dow University of Health Sciences, Karachi, Pakistan., Aamer H; Department of Medicine, Dow University of Health Sciences, Karachi, Pakistan., Iftikhar S; Department of Medicine, Akhtar Saeed Medical and Dental College, Lahore, Pakistan., Arshad F; Department of Medicine, Shaikh Zayed Hospital, Lahore, Pakistan., Kamal UH; Department of Medicine, Services Institute of Medical Sciences, Lahore, Pakistan., Noor R; Department of Medicine, Khyber Medical College, Peshawar, Pakistan., Baig M; Sunderland Royal Hospital, Sunderland, United Kingdom., Gupta A; Sunderland Royal Hospital, Sunderland, United Kingdom., Hasan A; National Heart and Lung Institute, Imperial College London, London, United Kingdom., Shahid F; Aston University, Birmingham, UK.; Queen Elizabeth Hospital, Birmingham, UK., Ahmed R; National Heart and Lung Institute, Imperial College London, London, United Kingdom. |