1. The Institute for Blood Management Gotha Germany
2. Department of Anesthesiology, Pain und Palliative Care Center for Intensive Care, Helios Klinikum Gotha Gotha Germany
3. School of Medicine The University of Sydney Sydney Australia
4. School of Population and Global Health The University of Western Australia Perth Australia
5. Department of Anesthesiology and Critical Care TeamHealth, Englewood Health Englewood New Jersey USA