1. Cardiovascular Outcomes Research Laboratories (CORELAB) Department of Surgery David Geffen School of Medicine at University of California, Los Angeles Los Angeles CA
2. Division of Cardiac Surgery Swedish Medical Center Seattle WA
3. Dumont‐UCLA (University of California, Los Angeles) Transplant and Liver Cancer Centers Department of Surgery David Geffen School of Medicine at University of California, Los Angeles Los Angeles CA
4. Department of Medicine Statistics Core University of California, Los Angeles Los Angeles CA