Dr. Norman is professor, Department of Clinical Epidemiology and Biostatistics, McMaster University, Ontario, Canada.Dr. Sherbino is associate professor, Department of Medicine, McMaster University, Ontario, Canada.Dr. Dore is assistant professor, Department of Medicine, McMaster University, Ontario, Canada.Dr. Wood is associate professor, Department of Medicine, University of Ottawa, Ontario, Canada.Dr. Young is assistant professor, Department of Medicine, McGill University, Quebec, Canada.Dr. Gaissmaier is chief research scientist, Harding Center for Risk Literacy, Max Plank Institute for Human Development, Berlin, Germany.Ms. Kreuger is research coordinator, Program for Educational Research and Development, McMaster University, Ontario, Canada.Ms. Monteiro is a PhD candidate, Department of Psychology, Neuroscience and Behaviour, McMaster University, Ontario, Canada.