1. From the Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada (S.R., G.P.)
2. Population Health Research Institute, McMaster University, Hamilton, Ontario, Canada (G.P.)
3. Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario, Canada (G.P.)
4. Thrombosis and Atherosclerosis Research Institute, Hamilton Health Sciences and McMaster University, Canada (G.P.).