1. University of Chicago Internal Medicine Residency Program; Chicago IL
2. University of California San Francisco Fresno Emergency Medicine Residency Program; Fresno CA
3. Department of Epidemiology and Biostatistics; University of California at San Francisco; San Francisco CA
4. Department of Emergency Medicine; University of California at San Francisco; San Francisco CA
5. Phillip R. Lee Institute for Health Policy Studies; University of California at San Francisco; San Francisco CA