[1] Wilhelminenhospital, Dept Internal Med 1, Ctr Oncol & Hematol, Vienna, Austria
[2] Hosp Elisabethinen, Dpt Internal Med, Linz, Austria
[3] Univ Hosp Salzburg, Dept Internal Med 3, Salzburg, Austria
[4] Med Univ Graz, Dept Hematol, Graz, Austria
[5] Klinikum Wels Grieskirchen, Dept Internal Med 4, Wels, Austria
[6] Univ Hosp Brno, Dept Internal Med Hematol & Oncol, Brno, Czech Republic
[7] Univ Hosp Brno, Dept Internal Med Hematooncol, Brno, Czech Republic