1. Department of Surgical Research and Clinic for Cardiovascular Surgery, University Hospital and University of Zurich, Zurich, Switzerland.
2. Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands.
3. Institute for Clinical Pathology, University Hospital Zurich, Zurich, Switzerland.
4. Department of Gynaecology and Obstetrics, University Hospital Zurich, Zurich, Switzerland.
5. Institute of Polymers, Swiss Federal Institute of Technology (ETH), Zurich, Switzerland.