1. Kaiser Permanente Washington Health Research Institute Seattle Washington USA
2. Community Partners' Network Nashville Tennessee USA
3. Department of Surgery University of Pittsburgh Pittsburgh Pennsylvania USA
4. Shared Decision Making Solutions Consultants Boston Massachusetts USA
5. Division of General and GI Surgery Brigham and Women's Hospital Boston Massachusetts USA
6. Department of Medicine University of Pittsburgh Pittsburgh Pennsylvania USA
7. Washington Permanente Medical Group Seattle Washington USA
8. Bariatric Surgery Digestive Health Institute (DHI), Swedish Medical Center Seattle Washington USA
9. Departments of Medicine and Epidemiology University of Pittsburgh Pittsburgh Pennsylvania USA