1. Department of Plastic and Hand Surgery, Burn Center, University Hospital, RWTH Aachen University, Aachen, Germany.
2. Department of Neurology, University Hospital, RWTH Aachen University, Aachen, Germany.
3. Institute of Neuropathology, RWTH Aachen University, Aachen, Germany.
4. Matricel GmbH, Herzogenrath, Germany.
5. IZKF-BIOMAT, RWTH Aachen University, Aachen, Germany.