About the Authors
- Nolan Caldwell
- Department of Emergency Medicine, Stanford University, Stanford, California, United States of America
- Tanja Srebotnjak
- Ecologic Institute, San Mateo, California, United States of America
- Tiffany Wang
- University of Minnesota Medical School, Twin Cities, Minnesota, United States of America
- Renee Hsia
- Department of Emergency Medicine, University of California San Francisco, San Francisco, California, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: NC TW TS RYH. Performed the experiments: TS RYH. Analyzed the data: TS NC RYH. Contributed reagents/materials/analysis tools: RYH. Wrote the paper: NC TW RYH TS.