Division of Emergency Medicine and Clinical Pharmacology and Toxicology, The Hospital for Sick Children, University of Toronto, 555 University Avenue, Toronto, ON, M1G 1X8, Canada
Keira P. Mason
Children’s Hospital Boston and Harvard Medical School, Boston, MA 02 115, USA
Sharon E. Mace
Cleveland Clinic Lerner College of Medicine of Case Western Reserve, Cleveland, OH 44195, USA