1. Department of Veterans Affairs (VA) Eastern Colorado Health Care System, Denver, CODepartment of Biostatistics and Informatics, Colorado School of Public Health, Aurora, CO
2. Department of Veterans Affairs (VA) Eastern Colorado Health Care System, Denver, CODivision of General Internal Medicine, University of Colorado School of Medicine, Aurora, CO
3. VA Connecticut Healthcare System, West Haven, CT, and Yale School of Medicine, New Haven, CT
4. Department of Veterans Affairs (VA) Eastern Colorado Health Care System, Denver, CODepartment of Medicine, University of Colorado School of Medicine, Aurora, CO
5. Louis Stokes Cleveland VA Medical Center, Cleveland, OH, Department of Medicine, School of Medicine, Case Western Reserve University, Cleveland, OH, and Office of Specialty Care, Veterans Health Administration, Washington, DC