[1] Aarhus Univ Hosp, Dept Cardiothorac & Vasc Surg, DK-8200 Aarhus N, Denmark
[2] Aarhus Univ Hosp, Inst Clin Med, DK-8200 Aarhus N, Denmark
[3] Odense Univ Hosp, Dept Biochem Pharmacol & Genet, Sect Thrombosis & Haemostasis, DK-5000 Odense, Denmark
[4] Danish IT Ctr Educ & Res, UNIC, Aarhus N, Denmark
[5] Aarhus Univ Hosp, Ctr Hemophilia & Thrombosis, Dept Clin Biochem, DK-8000 Aarhus N, Denmark
[6] Guys & St Thomas NHS Trust Fdn, Ctr Hemophilia & Thrombosis, Haemostasis Res Unit, London, England
[7] Kings Coll London, Sch Med, London WC2R 2LS, England