1. University of Ulm, Ulm, Germany
2. University Hospital, Besançon, France
3. University Hospital Zürich, Zürich, Switzerland
4. University of Vienna, Vienna, Austria
5. A. Wrzosek Collegium, Poznan, Poland
6. University of Franche Comté, Besançon, France
7. University Hospital Ulm, Ulm, Germany