[1] Copenhagen Univ Hosp, Dept Hematol, Rigshosp, Copenhagen, Denmark
[2] Herlev & Gentofte Hosp, Dept Hematol, Herlev, Denmark
[3] Hospitalsenheden Vest, Dept Hematol, Holstebro, Denmark
[4] Zealand Univ Hosp, Dept Hematol, Roskilde, Denmark
[5] Sygehus Lilleblt, Dept Hematol, Vejle, Denmark
[6] Sygehus Soenderjylland, Dept Hematol, Aabenraa, Denmark
[7] Aalborg Univ Hosp, Dept Hematol, Aalborg, Denmark
[8] Odense Univ Hosp, Dept Hematol, Odense, Denmark