From the Departments of Clinical Epidemiology and Biostatistics (Drs Oxman, Sackett, and Guyatt), Family Medicine (Dr Oxman), and Medicine (Drs Sackett and Guyatt), McMaster University, Hamilton, Ontario. A complete list of members of the Evidence-Based Medicine Working Group appears at the end of this article.
Departments of Medicine and Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario; Department of Medicine, McMaster University; Departments of Clinical Epidemiology and Biostatistics and Occupational Health Program, McMaster University; Department of Clinical Epidemiology and Biostatistics, McMaster University; Division of Internal Medicine, The Johns Hopkins University School of Medicine, Baltimore, Md; Department of Clinical Epidemiology and Biostatistics, McMaster University, and the Departments of Health Administration and Medicine, University of Toronto (Ontario); Centre for Health Economics, University of York, United Kingdom; Departments of Medicine and Epidemiology and Community Medicine, University of Ottawa (Ontario) and Department of Clinical Epidemiology and Biostatistics, McMaster University; Department of Pediatrics, University of Texas, Houston; Clinical Epidemiology Research Programme, Sunnybrook Health Science Centre, Institute for Clinical Evaluative Sciences in Ontario, Departments of Health Administration, Medicine, and Behavioral Sciences, University of Toronto (Ontario); Departments of Clinical Epidemiology and Biostatistics and Family Medicine, McMaster University;; Department of Internal Medicine, University of Virginia, Charlottesville; Department of Medicine, University of Rochester (NY) School of Medicine and Dentistry; Departments of Clinical Epidemiology and Biostatistics and Pediatrics, McMaster University; Center for Clinical Epidemiology and Biostatistics and Division of General Internal Medicine, University of Pennsylvania School of Medicine, Philadelphia; Clinical Epidemiology Unit and Departments of Medicine and Epidemiology, University of Ottawa (Ontario); Health Program, Office of Technology Assessment, US Congress, Washington, DC; Division of General Internal Medicine, The University of Texas Health Science Center at San Antonio; Department of Medicine, Bowman Gray School of Medicine, Winston-Salem, NC