*From the HSR&D, Veterans Affairs Medical Center, Cincinnati, Ohio.
From the †Division of General Internal Medicine, the ‡Institute for Health Policy and Health Services Research, and §Division of Pulmonary and Critical Care Medicine, University of Cincinnati Medical Center, Cincinnati, Ohio.
¶From the Department of Health Evaluation Sciences, University of Virginia School of Medicine, Charlottesville, Virginia.
∥From the Center for Practice Management and Outcomes Research, Veterans Affairs Ann Arbor HSR&D, Ann Arbor, Michigan.
Supported by the Department of Veterans Affairs, Veterans Health Administration, Health Services Research and Development Service (project number IIR99-257-1).
The views expressed in this article are those of the authors and do not necessarily represent the views of the Department of Veterans Affairs. Results from this work were presented at the 23rd annual meeting of the Society for Medical Decision Making in October 2001 in San Diego, CA, and at the 20th annual VA Health Services Research and Development Service meeting in February 2002 in Washington, DC.
Address correspondence and reprint requests to: Joseph A. Johnston, MD, MSc, 5149 Oriole Drive, Carmel, IN 46033. E-mail: [email protected]
Received September 25, 2001; initial review November 29, 2001; accepted March 13, 2002.
