[1] Karolinska Univ Hosp Solna, Funct Area Emergency Med, Stockholm, Sweden
[2] Dept Med, Solna, Sweden
[3] Karolinska Inst, Stockholm, Sweden
[4] Karolinska Inst, Unit Biostat IMM, Stockholm, Sweden
[5] Uppsala Univ, Clin Chem, Dept Med Sci, Uppsala, Sweden
[6] Uppsala Univ, Dept Med Sci, Uppsala, Sweden