1. Pacific Northwest Evidence-based Practice Center, Departments of Medical Informatics and Clinical Epidemiology, Family Medicine, and Obstetrics and Gynecology, Oregon Health & Science University, Portland
2. Pacific Northwest Evidence-based Practice Center, Portland, Oregon
3. Pacific Northwest Evidence-based Practice Center, and Departments of Medical Informatics and Clinical Epidemiology and Medicine, Oregon Health & Science University, Portland4Providence Cancer Center, Providence Health and Services, Portland, Oregon