1 Department of Internal Medicine, American University of Beirut, Beirut, Lebanon; Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada. Electronic address: ea32@aub.edu.lb.
2 Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; Outcomes and Implementation Research Unit, Department of Internal Medicine, University of Kansas Medical Center, Kansas City, KS, USA.
3 Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada.
4 Centre for Immunization Readiness, Public Health Agency of Canada, Ottawa, Ontario, Canada.
5 Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada; Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy.