1. Institute of Health Policy, Management, and Evaluation, University of Toronto , Ontario , Canada
2. The Methodologists (TMT) Corp. Toronto , Ontario , Canada
3. Department of Ear, Nose and Throat, Shaikh Zayed Hospital , Lahore , Pakistan
4. Department of Internal Medicine, Azra Naheed Medical College , Lahore , Pakistan
5. Allama Iqbal Medical College , Lahore , Pakistan
6. Department of Health Research Methods, Evidence and Impact, McMaster University , Ontario , Canada