title: Categorization of patients as having provoked or unprovoked venous thromboembolism: guidance from the SSC of ISTH.
authors.affiliation: McMaster University, Hamilton, ON, Canada.
authors.forename: C
authors.initials: C
authors.lastname: Kearon
authors.affiliation: University of Insubria, Varese, Italy.
authors.forename: W
authors.initials: W
authors.lastname: Ageno
authors.affiliation: Leiden University, Leiden, the Netherlands.
authors.forename: S C
authors.initials: SC
authors.lastname: Cannegieter
authors.affiliation: University of Bologna, Bologna, Italy.
authors.forename: B
authors.initials: B
authors.lastname: Cosmi
authors.affiliation: Utrecht University, Utrecht, the Netherlands.
authors.forename: G-J
authors.initials: GJ
authors.lastname: Geersing
authors.affiliation: Medical University of Vienna, Vienna, Austria.
authors.forename: P A
authors.initials: PA
authors.lastname: Kyrle
mesh_terms: D006405:Hematology / Q000592:standards*; D006801:Humans; D011379:Prognosis; D012008:Recurrence; D012307:Risk Factors; D009626:Terminology as Topic; D013997:Time Factors; D054556:Venous Thromboembolism / Q000145:classification* / Q000175:diagnosis / Q000209:etiology*