1. Division of Medical Toxicology Department of Emergency Medicine UC San Diego Health San Diego California USA
2. VA San Diego Healthcare System San Diego California USA
3. Rady Children's Hospital San Diego San Diego California USA
4. Emergency Medicine Department King Fahad Medical City Riyadh Saudi Arabia
5. Department of Emergency Medicine Naval Medical Center San Diego San Diego California USA
6. Departments of Anesthesiology and Pediatrics UC San Diego Health San Diego California USA