Toronto, Canada

Author Affiliations: Divisions of Pediatric Emergency Medicine (Glatstein M) and Clinical Pharmacology and Toxicology (Scolnik D), the Hospital for Sick Children, University of Toronto, Canada

Corresponding Author: Dennis Scolnik, MB ChB, Divisions of Pediatric Emergency Medicine and Clinical Pharmacology and                      Toxicology, the Hospital for Sick Children, University of Toronto, Canada (Tel: 416 813 7500; Email: dennis.scolnik@sickkids.ca).