1. Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
2. Department of Critical Care Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
3. Department of Computer Science, Carnegie Mellon University, Pittsburgh, Pennsylvania
4. Department of Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania
5. Department of Public Policy, Carnegie Mellon University, Pittsburgh, Pennsylvania
6. Department of Health Policy and Management, University of Pittsburgh Graduate School of Public Health, Pittsburgh, Pennsylvania