Author’s institutional affiliations:
1Department of Medicine, Faisalabad Medical University, Faisalabad, Pakistan
2Department of Medical Education, Faisalabad Medical University, Faisalabad, Pakistan
3Medical Unit II, Faisalabad Medical University, Faisalabad, Pakistan
4Department of Medicine, Allied Hospital, Faisalabad, Pakistan
5College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
6Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, Australia
7Department of Medicine, District Headquarter Hospital, Faisalabad, Pakistan