Executive summary: Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines
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; Department 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 Cardiovascular Research Center, Medical College of Wisconsin, Milwaukee, WI.
5 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.