[1] Karolinska Inst, Karolinska Univ Hosp, Dept Med, Stockholm, Sweden
[2] Karolinska Inst, Dept Med Huddinge, Stockholm, Sweden
[3] Karolinska Univ Hosp, Hematol Ctr, Stockholm, Sweden
[4] Karolinska Inst, Karolinska Univ Hosp, Div Pathol, Dept Lab Med, Stockholm, Sweden
[5] Karolinska Univ, Huddinge Hosp, Dept Resp Dis & Allergy, Stockholm, Sweden
[6] Uppsala Univ, Dept Med Sci, Uppsala, Sweden
[7] Univ Uppsala Hosp, Sect Hematol, Uppsala, Sweden