Introduction to the ninth edition: Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines

Affiliations

• ¹ Department of Clinical Epidemiology and Biostatistics, McMaster University Faculty of Health Sciences, Hamilton, ON, Canada; Department of Medicine, McMaster University Faculty of Health Sciences, Hamilton, ON, Canada. Electronic address: guyatt@mcmaster.ca.
• ² Department of Clinical Epidemiology and Biostatistics, McMaster University Faculty of Health Sciences, Hamilton, ON, Canada; Departments of Medicine and Family Medicine, State University of New York, Buffalo, NY.
• ³ Department of Medicine, McMaster University Faculty of Health Sciences, Hamilton, ON, Canada.
• ⁴ Department of Clinical Epidemiology and Biostatistics, McMaster University Faculty of Health Sciences, Hamilton, ON, Canada; Department of Medicine, McMaster University Faculty of Health Sciences, Hamilton, ON, Canada.
• ⁵ Cardiovascular Research Center, Medical College of Wisconsin, Milwaukee, WI.
• ⁶ Evidence-Based Clinical Practice Guidelines and Clinical Standards, American College of Chest Physicians, Northbrook, IL.