1. Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Center, Linz/Vienna, Austria.
2. Austrian Cluster for Tissue Regeneration, Vienna, Austria.
3. Biomaterials and Tissue Engineering Group, Department of Oral Biology, School of Dentistry, University of Leeds, Leeds, United Kingdom.
4. Red Cross Blood Transfusion Service of Upper Austria, Linz, Austria.