1. Pacific Northwest Evidence-based Practice Center, Department of Medical Informatics and Clinical Epidemiology, Oregon Health & Science University, Portland
2. Department of Family Medicine, Oregon Health & Science University, Portland
3. Department of Obstetrics and Gynecology, Oregon Health & Science University, Portland
4. Kaiser Permanente Bernard J. Tyson School of Medicine, Pasadena, California
5. Department of Medicine, Division of Infectious Diseases, Oregon Health & Science University, Portland