By Allan J. Ellsworth, PharmD, Professor of Pharmacy and Family Medicine, University of Washington Schools of Pharmacy and Medicine, Seattle, WA; Daniel M. Witt, PharmD, Clinical Pharmacy, Anticoagulation Service, Kaiser Permanente, Rocky Mountain Division, Westminster, CO; David C. Dugdale, MD, Associate Professor of Medicine, University of Washington School of Medicine, Seattle, WA; and Lynn M. Oliver, MD, Assistant Professor of Family Medicine, University of Washington School of Medicine, Seattle, WA |