1. Second Department of Critical Care Medicine, University Hospital Attikon, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
2. Humanitas University, Department of Biomedical Sciences, Milan, Italy
3. Humanitas Clinical and Research Center, Milan, Italy
4. Laboratory of Hematology & Blood Bank Unit, University Hospital Attikon, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece