1. Departments of Emergency Medicine and Critical Care Medicine Kaiser Permanente Oakland Medical Center Oakland California USA
2. Division of Research Kaiser Permanente Northern California Oakland California USA
3. School of Medicine University of California San Francisco San Francisco California USA
4. Department of Emergency Medicine Kaiser Permanente San Rafael Medical Center San Rafael California USA
5. Department of Emergency Medicine Kaiser Permanente Roseville Medical Center Roseville California USA
6. Department of Emergency Medicine Kaiser Permanente San Leandro Medical Center San Leandro California USA
7. Department of Emergency Medicine Kaiser Permanente Oakland Medical Center Oakland California USA