1. Department of Clinical Pathology, School of Medical Sciences, University of Campinas (UNICAMP), Campinas, Brazil
2. Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands
3. Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, The Netherlands
4. Department of Internal Medicine, Section of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands