1. Department of Surgery, Baskent University, Izmir, Turkey
2. Department of Anaesthesiology and Intensive Care, Military Hospital Ulm, Teaching Hospital of the University of Ulm, Ulm, Germany
3. Department of Cardiothoracic Surgery, Milpark Hospital, Johannesburg, South Africa
4. Directorate for Trauma and Burns, Chris Hani Baragwanath Academic Hospital, University of Witwatersrand Medical School, Johannesburg, South Africa
5. Department of Surgery, St Marien Hospital Vechta, Teaching Hospital MHH Hannover University, Vechta, Germany
6. Vechta Institute for Research Promotion & Interdisciplinary Research (Vechtaer Institut für Forschungsförderung VIFF e.V.), Vechta, Germany