1. Department of Internal Medicine, UC Davis School of Medicine, Sacramento, CA, USA
2. CA Poison Control System, UC San Francisco School of Pharmacy, San Francisco, CA, USA
3. Department of Emergency Medicine, UC Davis School of Medicine, Sacramento, CA, USA
4. Department of Emergency Medicine, UC San Diego School of Medicine, San Diego, CA, USA
5. Department of Emergency Medicine, UC San Francisco School of Medicine, San Francisco, CA, USA
6. Department of Emergency Medicine, UC San Francisco-Fresno, Fresno, CA, USA