1. Department of Plastic Surgery and Hand Surgery, Burn Center, Medical Faculty, RWTH Aachen University, Pauwelsstrasse 30, 52074 Aachen, Germany
2. Department of Plastic Surgery and Hand Surgery, Gemeinschaftskrankenhaus Havelhoehe, Teaching Hospital of the Charité Berlin, Kladower Damm 221, 14089 Berlin, Germany
3. Department of Anesthesiology, Medical Faculty, RWTH Aachen University, Pauwelsstrasse 30, 52074 Aachen, Germany
4. Department of Plastic Surgery and Hand Surgery, Burn Center, University of Witten/ Herdecke, Ostmerheimerstrasse 200, 51109 Cologne, Germany
5. Munich Cluster for Systems Neurology (SyNergy), Feodor-Lynen-Strasse 17, 81377 Munich, Germany