1 Department of Health Research Methods, Evidence and Impact, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L8, Canada [email protected].
2 Internal Medicine Service, German Hospital, Buenos Aires, Argentina.
3 Department of Health Research Methods, Evidence and Impact, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L8, Canada.
4 Department of Pediatrics, School of Medicine, University of Antioquia, Medellín, Colombia.
5 Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
6 School of Medicine, Universidad de los Andes, Bogota, Colombia.
7 GRADE Centre and Department of Medicine, McMaster University, Hamilton, ON, Canada.