1. Institute of Transfusion Medicine; Center for Tumor Medicine; Charité - Universitätsmedizin Berlin; Charitéplatz 1 10117 Berlin Germany
2. Max-Planck-Institute of Colloids and Interfaces; Wissenschaftspark Golm; 14424 Potsdam Germany
3. Leibniz Institute of Molecular Pharmacology; Robert-Roessle-Str. 10 13125 Berlin Germany
4. Department of Medical Physics; Biophysics and Image Diagnostics; Medical Faculty; Trakia University; 6000 Stara Zagora Bulgaria