1. Wisconsin Poison Center, Milwaukee, WI, USA;
2. Department of Emergency Medicine, Section of Medical Toxicology, Medical College of Wisconsin, Milwaukee, WI, USA;
3. Indiana Poison Center, Indiana University Health, Indianapolis, IN, USA;
4. Department of Emergency Medicine, Oregon Poison Center, Oregon Health & Science University, Portland, OR, USA;
5. Department of Biopharmaceutical Sciences, University of California, San Francisco, CA, USA;
6. Department of Medical Toxicology, Banner University Medical Center - Phoenix, Phoenix, AZ, USA;
7. American Association of Poison Control Centers, Alexandria, VA, USA;
8. Oklahoma Center for Poison and Drug Information, University of Oklahoma College of Pharmacy, Oklahoma City, OK, USA