1 Vienna Burn Center, Division of Plastic and Reconstructive Surgery, Department of Surgery, Medical University Vienna, Vienna, Austria. Electronic address: alexandra.fochtmann@meduniwien.ac.at.
2 Vienna Burn Center, Division of Plastic and Reconstructive Surgery, Department of Surgery, Medical University Vienna, Vienna, Austria.
3 Center for Medical Statistics, Informatics and Intelligent Systems, Section for Clinical Biometrics, Medical University of Vienna, Vienna, Austria.