[1] Veterans Affairs Medical Center,Oregon Evidence
[2] Veterans Affairs Medical Center,based Practice Center
[3] Veterans Affairs Medical Center,Department of Medical Informatics and Clinical Epidemiology
[4] Veterans Affairs Medical Center,Department of Medicine
[5] Veterans Affairs Medical Center,Public Health and Preventive Medicine
[6] Veterans Affairs Medical Center,Emergency Medicine
[7] Veterans Affairs Medical Center,Family Medicine
[8] Oregon Health & Science University,Oregon Health & Science University, Hospital and Specialty Medicine