1. Department of Anaesthesia and Intensive Care, Başkent University Ankara Hospital, Ankara, Turkey
2. Department of Surgical Sciences, Section of Anaesthesiology and Intensive Care Medicine
3. Department of Immunology, Genetics and Pathology, Section of Transfusion Medicine
4. Department of Surgical Sciences, Section of Neurosurgery
5. Department of Surgical Sciences, Section of Plastic Surgery, Uppsala University, Uppsala, Sweden