1. Department of Anesthesiology and Critical Care, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
2. Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, Pennsylvania
3. Center for Perioperative Outcomes Research and Transformation, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
4. Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts
5. The Wharton School, University of Pennsylvania, Philadelphia, Pennsylvania