1. Department of Anesthesiology and Intensive Care Medicine; University Hospital Leipzig; Liebigstrasse 20; D-04103; Leipzig; Germany
2. Institute of Medical Physics and Biophysics; University of Leipzig; Härtelstr. 16-18; D-04107; Leipzig; Germany
3. Fraunhofer Institute for Cell Therapy and Immunology; Department of Cell Therapy, Neuro- / Cardiorepair; Perlickstrasse 1; D-04103; Leipzig; Germany
4. Translational Centre for Regenerative Medicine; University of Leipzig; Philipp-Rosenthal-Str. 55; D-04105; Leipzig; Germany
5. Department of Orthopaedics; University of Texas Health Science Center; San Antonio; TX; USA