1. From the Department of Internal Medicine and the Robert Wood Johnson Clinical Scholars Program, University of Michigan; Department of Veterans Affairs, VA HSR&D Center of Excellence, VA Ann Arbor Healthcare System, Ann Arbor, MI (R.A.H.); and Section of Cardiovascular Medicine and the Robert Wood Johnson Clinical Scholars Program, Department of Medicine, Yale School of Medicine; Section of Health Policy and Administration, Yale School of Public Health; Center for Outcomes Research and Evaluation...