1 Iberoamerican Cochrane Centre, CIBERESP-IIB Sant Pau, Barcelona, Spain Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Canada.
2 Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Canada Department of Medicine, McMaster University, Hamilton, Canada.
3 Norwegian Institute of Public Health, Oslo, Norway.
4 Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Canada Evidence Based Dentistry Unit, Faculty of Dentistry, Universidad de Chile, Santiago, Chile.
5 Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Canada Department of Internal Medicine, Clinical Epidemiology Unit, American University of Beirut Medical Center, Beirut 1107, 2020, Lebanon.
6 Department of Epidemiology, Lazio Regional Health Service, Rome, Italy.
7 Health Services Research Unit, University of Aberdeen, Aberdeen, UK.
8 Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Canada Department of Medicine, University of Missouri-Kansas City, Kansas City, Missouri, USA, 64110.
9 Evidence Based Health Care Program, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile Department of Internal Medicine, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile Epistemonikos Foundation, Santiago, Chile.
10 Norwegian Institute of Public Health, Oslo, Norway [email protected].