1. From the Group Health Research Institute and the Departments of Medicine and Health Services, University of Washington — both in Seattle (E.B.L.); the Departments of Psychiatry, Neurology, and Epidemiology and Biostatistics, University of California, San Francisco, and the San Francisco Veterans Affairs (VA) Medical Center — both in San Francisco (K.Y.); and the Division of General Medicine, VA Ann Arbor Center for Clinical Management Research, and the Institute for Social Research, Institute of...