1 Division of Clinical Toxicology, Department of Emergency Medicine, VCU Medical Center, Richmond, VA, United States of America; Virginia Poison Center, Richmond, VA, United States of America; Department of Emergency Medicine, VCU Medical Center, Richmond, VA, United States of America.
2 Department of Biostatistics, Virginia Commonwealth University, Richmond, VA, United States of America.
3 Department of Emergency Medicine, VCU Medical Center, Richmond, VA, United States of America.
4 School of Medicine, Virginia Commonwealth University, Richmond, VA, United States of America.
5 Division of Clinical Toxicology, Department of Emergency Medicine, VCU Medical Center, Richmond, VA, United States of America; Virginia Poison Center, Richmond, VA, United States of America; Department of Emergency Medicine, VCU Medical Center, Richmond, VA, United States of America. Electronic address: [email protected].