[1] Karolinska Inst, Div Clin Epidemiol, Dept Med Solna, Stockholm, Sweden
[2] Karolinska Univ Hosp, Dept Hematol, Solna, Sweden
[3] Akad Univ Hosp, Dept Oncol, Uppsala, Sweden
[4] Lund Univ, Inst Clin Sci, Dept Oncol & Pathol, Lund, Sweden
[5] Reg Halland, Dept Res Dev & Educ, Halmstad, Sweden
[6] Karolinska Inst, Div Hematol, Dept Med Huddinge, Stockholm, Sweden
[7] South Alvsborg Hosp, Dept Hematol, Boras, Sweden
[8] Gothenburg Univ, Sahlgrenska Acad, Gothenburg, Sweden