1. Department of Pharmaceutical Technology, Institute of Pharmacy, University of Regensburg, Regensburg, Germany.
2. Department of Trauma and Reconstructive Surgery, University of Regensburg, Regensburg, Germany.
3. Institute of Pathology, University of Regensburg, Regensburg, Germany.
4. Department of Biomedical Engineering, Cornell University, Ithaca, New York.