1. Center for Outcomes Research and Evaluation Yale‐New Haven Hospital New Haven CT
2. Division of Cardiology University of Texas Southwestern Medical Center Dallas TX
3. Department of Biostatistics T.H. Chan School of Public Health Harvard University Boston MA
4. Department of Surgery Yale School of Medicine New Haven CT
5. Department of Emergency Medicine Yale School of Medicine New Haven CT
6. Section of Cardiac Surgery Department of Surgery Yale School of Medicine New Haven CT
7. Section of Cardiovascular Medicine Department of Internal Medicine Yale School of Medicine New Haven CT
8. Department of Health Policy and Management Yale School of Public Health New Haven CT