1. University Hospital Lausanne, Rue de Bugnon 46, CH-1011 Lausanne, Switzerland
2. University Hospital Wuerzburg, Wuerzburg, Germany
3. University of Florida Health Science Center, Gainesville/Jacksonville, FL, USA
4. Franz-Volhard Clinic-Humboldt University, Berlin, Germany
5. Landstuhl Hospital, Landstuhl, Germany
6. Semmelweis University Hospital, Budapest, Hungary
7. LMU Munich, Grosshadern, Germany
8. University Hospital Regensburg, Regensburg, Germany
9. St Gertrauden Hospital, Berlin, Germany
10. Uppsala University Hospital, Uppsala, Sweden
11. Kerckhoff Clinics, Bad Nauheim, Germany
12. GE Healthcare Buchler GmbH & Co. KG, Munich, Germany
13. Medical University of Science, Pecs, Hungary