1. Office of Clinical Quality, Safety and Performance Improvement, University of Iowa Hospitals and Clinics, Iowa City, Iowa.
2. Division of General Internal Medicine, Department of Internal Medicine, Carver College of Medicine, Iowa City, Iowa.
3. Division of Medical Practice, Hospital Israelita Albert Einstein, São Paulo, Brazil.
4. Division of Infectious Diseases, Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa.
5. The Center for Comprehensive Access and Delivery Research and Evaluation, Iowa City Veterans Affairs Health Care System, Iowa City, Iowa.
6. Department of Urology, University of Iowa Carver College of Medicine, Iowa City, Iowa.