1. Center for Innovations in Quality, Effectiveness, and Safety, Michael E. DeBakey VA Medical Center, Houston, Texas
2. Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Texas
3. Veterans Affairs Health Services Research and Development Center for Innovation to Implementation, Palo Alto Veterans Affairs Health Care System, Palo Alto, California
4. Department of Surgery, Stanford University, Palo Alto, California
5. Surgical and Perioperative Care, Atlanta VA Health Care System, Decatur, Georgia