From the Department of Medicine (Drs You, Schulman, and Spencer) and Department of Clinical Epidemiology and Biostatistics (Dr You), McMaster University, Hamilton, ON, Canada; Department of Medicine (Dr Singer), Harvard Medical School, and Clinical Epidemiology Unit (Dr Singer), General Medicine Division, Massachusetts General Hospital, Boston, MA; School of Pharmacy (Dr Howard), University of Kansas Medical Center, Kansas City, KS; University of Birmingham Centre for Cardiovascular Sciences (Drs Lane and Lip), City Hospital, Birmingham, England; Department of Clinical Medicine (Dr Eckman), Division of General Internal Medicine and Center for Clinical Effectiveness, University of Cincinnati, Cincinnati, OH; Department of Medicine (Dr Fang), Division of Hospital Medicine, University of California, San Francisco, San Francisco, CA; Boston University Medical Center Research Unit (Dr Hylek), Section of General Internal Medicine, Boston, MA; Comprehensive Clinical Research Unit (Dr Go), Division of Research, Kaiser Permanente Northern California, Oakland, CA; Decision Resources Inc (Dr Hughes), London, England; Section of Non-invasive Cardiac Imaging (Dr Manning), Beth Israel Deaconess Medical Center, Boston, MA; and The Cardiovascular Institute (Dr Halperin), Mount Sinai Medical Center, New York, NY.
Correspondence to: Gregory Y. H. Lip, MD, University of Birmingham Centre for Cardiovascular Sciences, City Hospital, Birmingham, B18 7QH, England; e-mail: firstname.lastname@example.org
Funding/Support: The Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines received support from the National Heart, Lung, and Blood Institute [R13 HL104758] and Bayer Schering Pharma AG. Support in the form of educational grants was also provided by Bristol-Myers Squibb; Pfizer, Inc; Canyon Pharmaceuticals; and sanofi-aventis US.
Disclaimer: American College of Chest Physician guidelines are intended for general information only, are not medical advice, and do not replace professional medical care and physician advice, which always should be sought for any medical condition. The complete disclaimer for this guideline can be accessed at http://chestjournal.chestpubs.org/content/141/2_suppl/1S.
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