1. The University of Colorado Health Sciences Center, Division of Emergency Medicine and Section of Medical Toxicology, Colorado Emergency Medicine Research Center, and the Rocky Mountain Poison and Drug Center, Denver, CO, USA; University of Colorado Health Sciences Center, Division of Emergency Medicine B215, 4200 E 9th Ave, Denver, CO 80262, USA,
2. The University of Colorado Health Sciences Center, Division of Emergency Medicine and Section of Medical Toxicology, Colorado Emergency Medicine Research Center, and the Rocky Mountain Poison and Drug Center, Denver, CO, USA