1. German Interdisciplinary Task Force for Clinical Hemotherapy (IAKH) Marburg Germany
2. Anesthesiology and Critical Care Medicine BG Trauma Center Ludwigshafen am Rhein Germany
3. Department of Anesthesiology Perioperative and Pain Medicine Stanford University Stanford California USA
4. Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster University of Muenster Münster Germany