1. Department of Emergency Medicine University of California, San Francisco San Francisco CA USA
2. Philip R. Lee Institute for Health Policy Studies University of California, San Francisco San Francisco CA USA
3. Mathematica Policy Research Oakland CA USA
4. Center for Vulnerable Populations University of California, San Francisco San Francisco CA USA
5. Department of Medicine University of California, San Francisco San Francisco CA USA
6. UCSF Benioff Homelessness and Housing Initiative San Francisco CA USA