1. Wisconsin Poison Center, Department of Emergency Medicine, Section of Medical Toxicology, Medical College of Wisconsin, Milwaukee, WI, USA;
2. Indiana Poison Center, Indianapolis, IN, USA;
3. Department of Emergency Medicine, Oregon Poison Center, Oregon Health & Science University, Portland, OR, USA;
4. Department of Medical Toxicology, Banner University Medical Center - Phoenix, Phoenix, AZ, USA;
5. North Carolina Poison Control, Atrium Health, Charlotte, NC,USA;
6. Ciber Global, Troy, MI, USA;
7. American Association of Poison Control Centers, Alexandria, VA, USA;
8. Department of Emergency Medicine, Section of Clinical Toxicology, Louisiana State University Health Sciences Center, Shreveport, LA, USA