1. Thrombosis and Atherosclerosis Research Institute, Hamilton, Ontario, Canada (N.C.C., J.I.W.).
2. Department of Medicine (N.C.C., J.I.W.), McMaster University, Hamilton, Ontario, Canada.
3. Population Health Research Institute, Hamilton, Ontario, Canada (N.C.C.).
4. Department of Biochemistry and Biomedical Sciences (J.I.W.), McMaster University, Hamilton, Ontario, Canada.