title: The good and the bad.
authors.affiliation: Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands.|Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, the Netherlands.
authors.forename: F R
authors.initials: FR
authors.lastname: Rosendaal
authors.affiliation: Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands.|Einthoven Laboratory for Experimental Vascular Medicine, Leiden University Medical Center, Leiden, the Netherlands.
authors.forename: P H
authors.initials: PH
authors.lastname: Reitsma