[1] Aalborg Univ Hosp, Aalborg Thrombosis Res Unit, Aalborg, Denmark
[2] Aalborg Univ Hosp, Clin Nursing Res Unit, Aalborg, Denmark
[3] Aalborg Univ Hosp, Aalborg Thrombosis Res Unit, Dept Clin Med, Aalborg, Denmark
[4] Univ Birmingham, City Hosp, Ctr Cardiovasc Sci, Birmingham, W Midlands, England
[5] Aalborg Univ Hosp, Clin Nursing Res Unit, Sci & Innovat Ctr, Aalborg, Denmark
[6] Aarhus Univ Hosp, Dept Anaesthesiol, DK-8000 Aarhus, Denmark