1. Pharmaceutical Outcomes Research and Policy Program, University of Washington, Seattle2Surgical Outcomes Research Center, University of Washington, Seattle3Department of Health Services, University of Washington, Seattle4Department of Biomedical Informatics, University of Washington, Seattle5Centers for Comparative and Health Systems Effectiveness (CHASE) (CHASE Alliance), University of Washington, Seattle
2. Pharmaceutical Outcomes Research and Policy Program, University of Washington, Seattle2Surgical Outcomes Research Center, University of Washington, Seattle5Centers for Comparative and Health Systems Effectiveness (CHASE) (CHASE Alliance), University of Washington, Seattle
3. Department of Biostatistics, University of Washington, Seattle7School of Public Health, Oregon Health & Science University, Portland
4. Department of Health Services, University of Washington, Seattle5Centers for Comparative and Health Systems Effectiveness (CHASE) (CHASE Alliance), University of Washington, Seattle8Seattle Quality of Life Group, University of Washington, Seattle
5. Pharmaceutical Outcomes Research and Policy Program, University of Washington, Seattle3Department of Health Services, University of Washington, Seattle5Centers for Comparative and Health Systems Effectiveness (CHASE) (CHASE Alliance), University of Washington, Seattle8Seattle Quality of Life Group, University of Washington, Seattle
6. Surgical Outcomes Research Center, University of Washington, Seattle
7. Surgical Outcomes Research Center, University of Washington, Seattle5Centers for Comparative and Health Systems Effectiveness (CHASE) (CHASE Alliance), University of Washington, Seattle
8. Department of Surgery, University of Washington, Seattle
9. Providence Everett Medical Center, Everett, Washington
10. Pharmaceutical Outcomes Research and Policy Program, University of Washington, Seattle3Department of Health Services, University of Washington, Seattle5Centers for Comparative and Health Systems Effectiveness (CHASE) (CHASE Alliance), University of Washington, Seattle
11. Pharmaceutical Outcomes Research and Policy Program, University of Washington, Seattle2Surgical Outcomes Research Center, University of Washington, Seattle3Department of Health Services, University of Washington, Seattle5Centers for Comparative and Health Systems Effectiveness (CHASE) (CHASE Alliance), University of Washington, Seattle