[1] Aalborg Univ Hosp, Dept Hematol, Aalborg, Denmark
[2] Copenhagen Univ Hosp, Dept Hematol, Copenhagen, Denmark
[3] Aalborg Univ Hosp, Dept Clin Epidemiol, Aalborg, Denmark
[4] Aarhus Univ Hosp, Dept Hematol, Aarhus, Denmark
[5] Odense Univ Hosp, Dept Hematol, Odense, Denmark
[6] Reg Hosp West Jutland, Dept Med, Holstebro, Denmark
[7] Sydvestjysk Sygehus, Dept Hematol, Esbjerg, Denmark
[8] Vejle Sygehus, Dept Med, Vejle, Denmark
[9] Roskilde Sygehus, Dept Hematol, Roskilde, Denmark
[10] Herlev Hosp, Dept Hematol, Herlev, Denmark