1. From the National Clinician Scholars Program at the University of Pennsylvania and Corporal Michael J. Crescenz VA Medical Center PhiladelphiaPAUSA
2. the Department of Emergency Medicine Center for Emergency Care Policy and ResearchPerelman School of Medicine at the University of Pennsylvania PhiladelphiaPAUSA
3. the Penn Medicine Center for Health Care Innovation University of Pennsylvania PhiladelphiaPAUSA
4. and the Department of Biostatistics, Epidemiology, and Informatics Perelman School of Medicine at the University of Pennsylvania Philadelphia PAUSA