1. Division of Plastic and Hand Surgery, University Hospital Zurich, Switzerland
2. Department of Thoracic Surgery, University Hospital Zurich, Zurich, Switzerland
3. Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich, CH-8093 Zurich, Switzerland
4. Clinical Chemistry, University Hospital, Zurich, Switzerland
5. Department of Thoracic Surgery, Medical Center -University of Freiburg, Faculty of Medicine, University of Freiburg, Germany