1. University Hospital Münster; Department of Anaesthesiology, Intensive Care and Pain Medicine; Albert-Schweitzer-Campus 1, Gebäude A Münster Germany 48149
2. Paracelsus Medical University; Department of Anesthesiology, Perioperative and Intensive Care Medicine; Salzburg Austria
3. Universitatsklinikum Bergmannsheil GmbH Bochum; Department of Anaesthesiology, Intensive Care Medicine, Palliative Care Medicine and Pain Management; Ruhr University Bochum Germany
4. University Hospital Münster; Department of Anesthesiology, Intensive Care and Pain Medicine; Münster Germany