1. Department of Pharmacy, University of Maryland Medical Center and Department of Emergency Medicine, University of Maryland School of Medicine, Baltimore, MD, USA;
2. Department of Medicine, McGill Faculty of Medicine, Emergency Medicine, McGill University Health Centre, Montréal, Canada;
3. Province of Alberta Drug Information Services, Alberta, Canada;
4. Centre antipoison du Québec, Québec, Canada;
5. Medical Toxicology, Department of Emergency Medicine, Morristown Medical Center, Emergency Medical Associates, Morristown, NJ, USA;
6. Department of Surgery, Division of Emergency Medicine, University of Vermont, Burlington, VT, USA;
7. Banner-University Medical Center Tucson, University of Arizona College of Pharmacy, Tucson, AZ, USA;
8. Department of Medicine, Division of Emergency Medicine, University of Toronto, Toronto, Canada;
9. Life Sciences Library, McGill University, Montréal, Canada;
10. Division of Geriatric Medicine, McGill University, Montréal, Québec, Canada;
11. Department of Medical Biology, Sacré-Coeur Hospital, University of Montréal, Montréal, Canada