“…Physicochemical factors may also induce CD11b/CD18 up-regulation [5,9], which needs to be taken into account when processing the blood sample to avoid artifacts manifesting as false-positive high values [21,22]. The treatment of neutropenic infections is well-guided [2], and the studies of tailored instructions for patients of different risk-categories are currently ongoing [10]. Neutropenic infections were not our main interest, and in our randomly selected first series, only 12.3% of the patients had a white blood cell count of less than 1.5×10 9 /l.…”