1. Division of Emergency Medicine UCSF Benioff Children's Hospital Oakland Oakland CA
2. Department of Emergency Medicine University of California at San Francisco San Francisco CA
3. Departments of Medicine and Epidemiology & Biostatistics University of California at San Francisco San Francisco CA
4. Department of Emergency Medicine Highland Hospital Alameda Health System Oakland CA
5. Children's Hospital Oakland Research Institute Oakland CA
6. Zuckerberg San Francisco General Hospital and Trauma Center University of California at San Francisco San Francisco CA
7. Department of Surgery UCSF Benioff Children's Hospital Oakland Oakland CA