1. University of California San Francisco–University of California Berkeley Joint Residency Program in General Preventive Medicine and Public Health, Institute for Global Health, San Francisco, California, USA
2. Health and Environment Program, Natural Resources Defense Council, San Francisco, California, USA
3. School of Medicine, University of California San Francisco, San Francisco, California, USA
4. County Sanitation Districts of Los Angeles County, Whittier, California, USA
5. California Poison Control System, San Francisco Division, Department of Clinical Pharmacy, University of California San Francisco, San Francisco, California, USA
6. Pediatric Environmental Health Specialty Unit, California Poison Control System-San Francisco, University of California San Francisco, San Francisco, California, USA
7. Office of Environmental Health Hazard Assessment, California Environmental Protection Agency, Oakland, California, USA