1. From the Department of Clinical Pharmacy and Institute for Health Policy Studies, University of California, San Francisco, California; the
2. Center for Health Care Evaluation and Cooperative Studies Program, Veteran Affairs Palo Alto Health Care System, Department of Health Research and Policy, Stanford University School of Medicine, Stanford, California; and the
3. Institute for Health Policy Studies, Cardiovascular Research Institute, and Department of Medicine, University of California, San Francisco, California.