1. Surgery; University of Tübingen; Germany
2. Department of Surgery; Walter Reed National Military Medical Center; Bethesda USA
3. Department of Anesthesiology; University of Tübingen; Germany
4. INCORE, International Consortium of Research Excellence of the Theodor-Billroth-Academy®; Germany - Israel - Serbia - USA
5. Theodor-Billroth-Academy®; Germany - Israel - USA
6. Department of Surgery; Hadassah-Hebrew University Medical Center; Jerusalem Israel
7. Bon Secours Cancer Institute; Richmond USA