[1] Karolinska Inst, Dept Mol Med & Surg, S-17177 Stockholm, Sweden
[2] Stockholm South Gen Hosp, Dept Cardiol, Stockholm, Sweden
[3] Karolinska Inst, Dept Internal Med, Stockholm, Sweden
[4] Karolinska Univ Hosp, Dept Cardiothorac Surg, Stockholm, Sweden
[5] Karolinska Univ Hosp, Dept Emergency Med, Stockholm, Sweden