1. Department of Epidemiology, University of Washington, Seattle2Group Health Research Institute, Group Health Cooperative, Seattle, Washington3Seattle Epidemiologic Research and Information Center, Department of Veterans Affairs Office of Research and Devel
2. Department of Epidemiology, University of Washington, Seattle4Department of Medicine, University Hospitals of Geneva, Geneva, Switzerland
3. Department of Medicine, University of Washington, Seattle
4. Department of Epidemiology, University of Washington, Seattle
5. Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, the Netherlands
6. Department of Biostatistics, University of Washington, Seattle
7. Department of Biostatistics, University of Washington, Seattle8Department of Statistics, University of Auckland, Auckland, New Zealand
8. Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, the Netherlands9Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
9. Department of Epidemiology, University of Washington, Seattle2Group Health Research Institute, Group Health Cooperative, Seattle, Washington
10. Department of Epidemiology, University of Washington, Seattle2Group Health Research Institute, Group Health Cooperative, Seattle, Washington5Department of Medicine, University of Washington, Seattle10Department of Health Services, University of Washington